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Richard S. Hamilton

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of positive or nonnegative curvature operator, and two-dimensional closed Riemannian manifolds of nonpositive Euler characteristic or of positive curvature. In each case, after appropriate normalizations, the Ricci flow deforms the given Riemannian metric to one of constant curvature. This has strikingly simple immediate corollaries, such as the fact that any closed smooth 3-manifold which admits a Riemannian metric of positive curvature also admits a Riemannian metric of constant positive sectional curvature. Such results are notable in highly restricting the topology of such manifolds; the
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Partly due to these foundational technical developments, Hamilton was able to give an essentially complete understanding of how Ricci flow behaves on three-dimensional closed Riemannian manifolds of positive Ricci curvature and nonnegative Ricci curvature, four-dimensional closed Riemannian manifolds
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by Ricci flow methods. The essential outstanding issue was to carry out an analogous classification, for the small-scale geometry around high-curvature points on Ricci flows on three-dimensional manifolds, without any curvature restriction; the Hamilton–Ivey curvature estimate is the analogue to the
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is small compared to its largest value. This is known as the Hamilton–Ivey estimate; it is extremely significant as a curvature inequality which holds with no conditional assumptions beyond three-dimensionality. An important consequence is that, in three dimensions, a limiting Ricci flow as produced
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of smoothly isometrically embedding Riemannian manifolds in Euclidean space. The core of his proof was a novel "small perturbation" result, showing that if a Riemannian metric could be isometrically embedded in a certain way, then any nearby Riemannian metric could be isometrically embedded as well.
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of positive curvature are largely understood. There are other corollaries, such as the fact that the topological space of Riemannian metrics of positive Ricci curvature on a closed smooth 3-manifold is path-connected. These "convergence theorems" of Hamilton have been extended by later authors, in
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which is convex, the corresponding mean curvature flow exists for a finite amount of time, and as the time approaches its maximal value, the curves asymptotically become increasingly small and circular. They made use of previous results of Gage, as well as a few special results for curves, such as
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observed that a finite-energy map from a complete Riemannian manifold to a closed Riemannian manifold of nonpositive curvature could be deformed into a harmonic map of finite energy. By proving extension of Eells and Sampson's vanishing theorem in various geometric settings, they were able to draw
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In 1997, Hamilton was able to combine the methods he had developed to define "Ricci flow with surgery" for four-dimensional Riemannian manifolds of positive isotropic curvature. For Ricci flows with initial data in this class, he was able to classify the possibilities for the small-scale geometry
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The modern understanding of the results of Gage–Hamilton and of Grayson usually treat both settings at once, without the need for showing that arbitrary curves become convex and separately studying the behavior of convex curves. Their results can also be extended to settings other than the mean
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in his renowned "canonical neighborhoods theorem." Building off of this result, Perelman modified the form of Hamilton's surgery procedure to define a "Ricci flow with surgery" given an arbitrary smooth Riemannian metric on a closed three-dimensional manifold. This led to the resolution of the
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around points with large curvature, and hence to systematically modify the geometry so as to continue the Ricci flow. As a consequence, he obtained a result which classifies the smooth four-dimensional manifolds which support Riemannian metrics of positive isotropic curvature.
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as applied to the distance between two points on a curve, they proved that if the initial immersion is an embedding, then all future immersions in the mean curvature flow are embeddings as well. Furthermore, convexity of the curves is preserved into the future.
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In 1993, Hamilton showed that the computations of Li and Yau could be extended to show that their differential Harnack inequality was a consequence of a stronger matrix inequality. His result required the closed Riemannian manifold to have nonnegative
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for parabolic partial differential equations to the setting of symmetric 2-tensors which satisfy a parabolic partial differential equation. He also put this into the general setting of a parameter-dependent section of a
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has described this article as the "most important event" in geometric analysis in the period after 1993, marking it as the point at which it became clear that it could be possible to prove Thurston's
1048:. American Mathematical Society summer institute held at the University of California (Berkeley, CA) July 1–26, 1968. Proceedings of Symposia in Pure Mathematics. Vol. 16. Providence, RI: 2080:
Richard Schoen and Shing Tung Yau. Harmonic maps and the topology of stable hypersurfaces and manifolds with non-negative Ricci curvature. Comment. Math. Helv. 51 (1976), no. 3, 333–341.
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by the compactness theory automatically has nonnegative curvature. As such, Hamilton's Harnack inequality is applicable to the limiting Ricci flow. These methods were extended by
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Gerhard Huisken and Carlo Sinestrari. Mean curvature flow singularities for mean convex surfaces. Calc. Var. Partial Differential Equations 8 (1999), no. 1, 1–14.
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Blair, David E. Riemannian geometry of contact and symplectic manifolds. Second edition. Progress in Mathematics, 203. BirkhÀuser Boston, Ltd., Boston, MA, 2010.
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Gerhard Huisken and Carlo Sinestrari. Convexity estimates for mean curvature flow and singularities of mean convex surfaces. Acta Math. 183 (1999), no. 1, 45–70.
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satisfies an inequality which is almost identical to that of Li and Yau. This fact is used extensively in Hamilton and Perelman's further study of Ricci flow.
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cannot be trivially carried out, due to the fact that size of the gradient at the boundary is not automatically controlled by the boundary conditions.
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Matthew A. Grayson. The heat equation shrinks embedded plane curves to round points. J. Differential Geom. 26 (1987), no. 2, 285–314.
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satisfies a complicated inequality, formally analogous to his matrix extension of the Li–Yau inequality, in the case that the
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Peter Li and Shing-Tung Yau. On the parabolic kernel of the Schrödinger operator. Acta Math. 156 (1986), no. 3-4, 153–201.
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Besse, Arthur L. Einstein manifolds. Reprint of the 1987 edition. Classics in Mathematics. Springer-Verlag, Berlin, 2008.
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applied Hamilton's Nash–Moser theorem and well-posedness result for parabolic equations to prove the well-posedness for
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inequalities" or "Li–Yau inequalities," are useful since they can be integrated along paths to compare the values of
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As of 2022, Hamilton has been the author of forty-six research articles, around forty of which are in the field of
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for his work. However, Perelman declined the award, regarding Hamilton's contribution as being equal to his own.
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gave a simpler proof in the particular case of the Ricci flow, Hamilton's result has been used for some other
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contains twelve of Hamilton's articles on Ricci flow, in addition to ten related articles by other authors.
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to regularize functions was abstracted by Hamilton to the setting of exponentially decreasing sequences in
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By taking limits of Hamilton's solutions of the boundary value problem for increasingly large boundaries,
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In 1982, Hamilton published his formulation of Nash's reasoning, casting the theorem into the setting of
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Ben Andrews. Evolving convex curves. Calc. Var. Partial Differential Equations 7 (1998), no. 4, 315–371.
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into any group which is the fundamental group of a closed Riemannian manifold of nonpositive curvature.
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Mathematics and general relativity: proceedings of a summer research conference held June 22−28, 1986
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Proceedings of the conference on geometry and topology held at Harvard University, April 23–25, 1993
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into a smooth Riemannian manifold. Then, they specialized to the case of immersions of the circle
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with smooth and simply-connected boundary, there cannot exist a nontrivial homomorphism from the
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John Nash. The imbedding problem for Riemannian manifolds. Ann. of Math. (2) 63 (1956), 20–63.
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In 1987, Matthew Grayson proved a complementary result, showing that for any smooth embedding
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and the development of a corresponding program of techniques and ideas for resolving the
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This article is about the American mathematician. For other people named similarly, see
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Hamilton, Richard S. (1995). "A compactness property for solutions of the Ricci flow".
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Hamilton later adapted his Li–Yau estimate for the Ricci flow to the setting of the
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Hamilton, Richard S. (2003). "Three-orbifolds with positive Ricci curvature". In
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at any two spacetime points. They also directly give pointwise information about
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Hamilton also discovered that the Li–Yau methodology could be adapted to the
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which satisfies a heat equation, giving both strong and weak formulations.
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Ricci flow with surgery in four dimensions for positive isotropic curvature
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for this flow, proving an analogous result to Eells and Sampson's for the
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built upon Hamilton's results to prove the conjectures, and was awarded a
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and starting a research program that ultimately led to the proof, by
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Gage and Hamilton's main result is that, given any smooth embedding
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Hamilton's mathematical contributions are primarily in the field of
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to a closed manifold of nonpositive curvature can be deformed to a
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condition of positive isotropic curvature. This was resolved by
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along the Ricci flow. In general dimensions, he showed that the
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Hamilton, Richard S. (1988). "The Ricci flow on surfaces". In
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is nonnegative. As an immediate algebraic consequence, the
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and proved its long-time existence. In collaboration with
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Leroy P. Steele Prize for Seminal Contribution to Research
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Members of the United States National Academy of Sciences
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and parallel Ricci tensor (such as the flat torus or the
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For his work on the Ricci flow, Hamilton was awarded the
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In June 2011, it was announced that the million-dollar
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World-renowned mathematician joins UH Mānoa faculty.
422:, having listed the PoincarĂ© conjecture among their 1796:"Four-manifolds with positive isotropic curvature" 988:In one of his earliest works, Hamilton proved the 603: 1503:"A matrix Harnack estimate for the heat equation" 1377:"Four-manifolds with positive curvature operator" 1321:"The heat equation shrinking convex plane curves" 816:is a complete Riemannian manifold of nonnegative 772:. In 1975, Hamilton considered the corresponding 740:follows from Hamilton's general result. Although 3054: 1168:"The inverse function theorem of Nash and Moser" 804:striking geometric conclusions, such as that if 2035:University of HawaiÊ»i News (February 28, 2022). 1843: 1785: 1729: 1668: 1606: 1546: 1492: 1426: 1366: 1307: 1224:"Three-manifolds with positive Ricci curvature" 1213: 1157: 1095: 1024: 1740:"Harnack estimate for the mean curvature flow" 368:. He is best known for having discovered the 2843: 2199: 1173:Bulletin of the American Mathematical Society 1032: 413:Three-manifolds with positive Ricci curvature 1315: 748:for which DeTurck's method is inaccessible. 724:; Nash's fundamental use of restricting the 618:. Such inequalities, known as "differential 433:would be split equally between Hamilton and 3123:University of California, San Diego faculty 736:. In particular, the well-posedness of the 233:Variation of structure on Riemann surfaces 2850: 2836: 2206: 2192: 1907: 1865: 1807: 1693: 1626: 1570: 1448: 1390: 1237: 760:and Joseph Sampson initiated the study of 709:Such a result is highly reminiscent of an 36: 1873: 1815: 1757: 1701: 1578: 1557:"The Harnack estimate for the Ricci flow" 1518: 1398: 1338: 1245: 1185: 1057: 858:into the two-dimensional Euclidean space 751: 472:discovered a new method for applying the 2213: 2179:. The Shaw Prize Foundation. 2011-09-28. 1851: 1793: 1737: 1676: 1614: 1554: 1500: 1434: 1374: 1269: 1221: 1165: 1106:Harmonic Maps of Manifolds with Boundary 1103: 900:. This result is sometimes known as the 341:supervised his thesis. He has taught at 144:for Ricci flow and other geometric flows 2022:Shaw Prize in Mathematical Studies 2011 1858:Communications in Analysis and Geometry 1800:Communications in Analysis and Geometry 1507:Communications in Analysis and Geometry 460:Harnack inequalities for heat equations 148:Maximum principle for parabolic systems 3055: 835: 2831: 2187: 2177:"Autobiography of Richard S Hamilton" 1019: 695: 405:American Academy of Arts and Sciences 3078:21st-century American mathematicians 3073:20th-century American mathematicians 1012:. He also made contributions to the 862:, which is the simplest context for 447: 2159:– brief bio at the homepage of the 980:geometrization conjecture in 2003. 820:, then for any precompact open set 347:University of California, San Diego 281:. He is known for contributions to 213:University of California, San Diego 13: 1112:. Vol. 471. Berlin–New York: 1014:prescribed Ricci curvature problem 990:Earle–Hamilton fixed point theorem 942:the 2000s, to give a proof of the 516: 508: 407:in 2003. He also received the AMS 130:Earle–Hamilton fixed-point theorem 16:American mathematician (born 1943) 14: 3139: 2171:Lecture by Hamilton on Ricci flow 2123: 1986:"Maths genius declines top prize" 1447:. pp. 237–262. Reprinted in 2135:Richard Hamilton (mathematician) 2128: 1745:Journal of Differential Geometry 1562:Journal of Differential Geometry 1382:Journal of Differential Geometry 1326:Journal of Differential Geometry 1229:Journal of Differential Geometry 476:to control the solutions of the 343:University of California, Irvine 2860:Oswald Veblen Prize in Geometry 2110: 2101: 2092: 2083: 2074: 1736: 1675: 1618:American Journal of Mathematics 1613: 1553: 1499: 1314: 1220: 1187:10.1090/s0273-0979-1982-15004-2 1164: 1031: 399:in 2003. He was elected to the 393:Oswald Veblen Prize in Geometry 3083:Clay Research Award recipients 2065: 2056: 2047: 2038: 2026: 2015: 2004: 1978: 1960: 1917:Collected papers on Ricci flow 1850: 1792: 1433: 1373: 1280:Collected papers on Ricci flow 1102: 580: 571: 561: 555: 442:University of HawaiÊ»i at Mānoa 411:in 2009, for his 1982 article 287:partial differential equations 221:University of HawaiÊ»i at Mānoa 1: 2146:Mathematics Genealogy Project 1953: 1852:Hamilton, Richard S. (1999). 1794:Hamilton, Richard S. (1997). 1738:Hamilton, Richard S. (1995). 1555:Hamilton, Richard S. (1993). 1501:Hamilton, Richard S. (1993). 1445:American Mathematical Society 1375:Hamilton, Richard S. (1986). 1222:Hamilton, Richard S. (1982). 1166:Hamilton, Richard S. (1982). 1104:Hamilton, Richard S. (1975). 1050:American Mathematical Society 983: 944:differentiable sphere theorem 915: 902:Gage–Hamilton–Grayson theorem 136:Gage–Hamilton–Grayson theorem 1110:Lecture Notes in Mathematics 652:Li–Yau–Hamilton inequalities 401:National Academy of Sciences 316: 7: 3118:Princeton University alumni 3088:Columbia University faculty 1864:(4): 695–729. Reprinted in 1625:(3): 545–572. Reprinted in 1569:(1): 225–243. Reprinted in 1389:(2): 153–179. Reprinted in 1236:(2): 255–306. Reprinted in 1004:, Hamilton studied certain 949:In 1995, Hamilton extended 10: 3144: 3093:Cornell University faculty 2872:Christos Papakyriakopoulos 2166:1996 Veblen Prize citation 2161:Clay Mathematics Institute 1319:; Hamilton, R. S. (1986). 1008:for Riemannian metrics in 484:of the heat equation on a 420:Clay Mathematics Institute 125:and harmonic map heat flow 18: 3103:Educators from Cincinnati 2866: 2642: 2423: 2222: 1968:"The PoincarĂ© Conjecture" 1875:10.4310/CAG.1999.v7.n4.a2 1846: 1817:10.4310/CAG.1997.v5.n1.a1 1788: 1732: 1703:10.4310/SDG.1993.v2.n1.a2 1671: 1609: 1549: 1520:10.4310/CAG.1993.v1.n1.a6 1495: 1429: 1369: 1310: 1216: 1160: 1098: 1027: 972:geometrization conjecture 790:parabolic Bochner formula 711:implicit function theorem 444:as an adjunct professor. 440:In 2022, Hamilton joined 424:Millennium Prize Problems 382:geometrization conjecture 299:geometrization conjecture 264: 254: 242: 226: 204: 194: 187: 161: 114:Convergence theorems for 109: 85: 75: 47: 35: 28: 3108:Mathematicians from Ohio 1911:; Chow, B.; Chu, S. C.; 1806:(1): 1–92. Reprinted in 1274:; Chow, B.; Chu, S. C.; 667:Riemann curvature tensor 648:complex projective space 2710:Demetrios Christodoulou 2551:Everett Peter Greenberg 686:second fundamental form 614:for any tangent vector 435:Demetrios Christodoulou 271:Richard Streit Hamilton 3128:Yale University alumni 3098:Differential geometers 1759:10.4310/jdg/1214456010 1580:10.4310/jdg/1214453430 1400:10.4310/jdg/1214440433 1340:10.4310/jdg/1214439902 1247:10.4310/jdg/1214436922 992:in collaboration with 920:Hamilton extended the 840:In 1986, Hamilton and 774:boundary value problem 762:harmonic map heat flow 752:Harmonic map heat flow 692:and Carlo Sinestrari. 605: 364:and more specifically 321:Hamilton received his 121:Dirichlet problem for 3024:Fernando CodĂĄ Marques 2414:Shrinivas R. Kulkarni 2137:at Wikimedia Commons 908:into a round circle. 884:Bonnesen's inequality 864:curve shortening flow 606: 362:differential geometry 176:Leroy P. Steele Prize 2473:Keith H. S. Campbell 2433:Stanley Norman Cohen 1678:Hamilton, Richard S. 1006:variational problems 734:diffeomorphism group 502: 335:Princeton University 99:Princeton University 2952:Richard S. Hamilton 2918:James Harris Simons 2776:Alexander Beilinson 2714:Richard S. Hamilton 2384:Chryssa Kouveliotou 955:sectional curvature 846:mean curvature flow 836:Mean curvature flow 778:Dirichlet condition 722:tame FrĂ©chet spaces 715:Nash–Moser theorems 682:mean curvature flow 644:Fubini–Study metric 640:sectional curvature 594: 489:Riemannian manifold 418:In March 2010, the 397:Clay Research Award 386:PoincarĂ© conjecture 355:Columbia University 295:PoincarĂ© conjecture 279:Columbia University 217:Columbia University 171:Clay Research Award 142:Li–Yau inequalities 2970:Michael J. Hopkins 2858:Recipients of the 2786:Jean-Michel Bismut 2513:Franz-Ulrich Hartl 2336:William J. Borucki 1437:Isenberg, James A. 1122:10.1007/BFb0087227 1052:. pp. 61–65. 1038:Chern, Shiing-Shen 1034:Earle, Clifford J. 1020:Major publications 696:Nash–Moser theorem 671:curvature operator 601: 578: 366:geometric analysis 351:Cornell University 303:geometric topology 283:geometric analysis 209:Cornell University 152:Nash–Moser theorem 3050: 3049: 3004:William Minicozzi 2825: 2824: 2806:Vladimir Drinfeld 2652:Shiing-Shen Chern 2609:Paul A. Negulescu 2517:Arthur L. Horwich 2390:Lennart Lindegren 2322:Daniel Eisenstein 2133:Media related to 1900: 1899: 1866:Cao et al. (2003) 1842: 1841: 1808:Cao et al. (2003) 1784: 1783: 1728: 1727: 1694:Cao et al. (2003) 1667: 1666: 1627:Cao et al. (2003) 1605: 1604: 1571:Cao et al. (2003) 1545: 1544: 1491: 1490: 1449:Cao et al. (2003) 1425: 1424: 1391:Cao et al. (2003) 1365: 1364: 1306: 1305: 1238:Cao et al. (2003) 1212: 1211: 1156: 1155: 1131:978-3-540-07185-3 1094: 1093: 1059:10.1090/pspum/016 1002:Shiing-Shen Chern 922:maximum principle 868:maximum principle 826:fundamental group 786:maximum principle 782:Neumann condition 726:Fourier transform 541: 523: 474:maximum principle 448:Mathematical work 268: 267: 255:Doctoral students 189:Scientific career 3135: 2982:Peter Kronheimer 2966:Yakov Eliashberg 2936:Michael Freedman 2912:William Thurston 2852: 2845: 2838: 2829: 2828: 2770:Michel Talagrand 2720:Maxim Kontsevich 2674:Robert Langlands 2613:Michael J. Welsh 2577:Mary-Claire King 2531:Michael W. Young 2503:Ruslan Medzhitov 2487:Jeffrey Friedman 2463:Robert Lefkowitz 2451:Michael Berridge 2408:Maura McLaughlin 2394:Michael Perryman 2208: 2201: 2194: 2185: 2184: 2180: 2157:Richard Hamilton 2151:Richard Hamilton 2142:Richard Hamilton 2132: 2117: 2114: 2108: 2105: 2099: 2096: 2090: 2087: 2081: 2078: 2072: 2069: 2063: 2060: 2054: 2051: 2045: 2042: 2036: 2030: 2024: 2019: 2013: 2008: 2002: 2001: 1999: 1997: 1992:. 22 August 2006 1982: 1976: 1975: 1970:. Archived from 1964: 1946: 1903:The collection 1895: 1877: 1844: 1837: 1819: 1786: 1779: 1761: 1730: 1723: 1705: 1669: 1662: 1607: 1600: 1582: 1547: 1540: 1522: 1493: 1486: 1457:10.1090/conm/071 1427: 1420: 1402: 1367: 1360: 1342: 1308: 1301: 1267: 1249: 1214: 1207: 1189: 1158: 1151: 1096: 1089: 1061: 1025: 1010:contact geometry 977:Grigori Perelman 960:Grigori Perelman 912:curvature flow. 907: 899: 895: 880: 861: 857: 831: 823: 815: 675:scalar curvature 663:scalar curvature 633: 629: 625: 617: 610: 608: 607: 602: 593: 588: 583: 574: 542: 540: 529: 524: 522: 514: 506: 483: 403:in 1999 and the 395:in 1996 and the 378:William Thurston 374:Grigori Perelman 311:Millennium Prize 307:Grigori Perelman 301:in the field of 244:Doctoral advisor 238: 65:Cincinnati, Ohio 61: 58:January 10, 1943 57: 55: 42:Hamilton in 1982 40: 30:Richard Hamilton 26: 25: 21:Richard Hamilton 3143: 3142: 3138: 3137: 3136: 3134: 3133: 3132: 3053: 3052: 3051: 3046: 3038:Simon Donaldson 2946:Clifford Taubes 2906:Dennis Sullivan 2862: 2856: 2826: 2821: 2800:Ehud Hrushovski 2764:Luis Caffarelli 2698:Clifford Taubes 2694:Simon Donaldson 2684:Vladimir Arnold 2644: 2638: 2629:Stuart H. Orkin 2589:Gero Miesenböck 2527:Michael Rosbash 2523:Jeffrey C. Hall 2483:Douglas Coleman 2477:Shinya Yamanaka 2425: 2419: 2374:Roger Blandford 2368:Edward C. Stone 2362:Jean-Loup Puget 2330:John A. Peacock 2302:David C. Jewitt 2278:Charles Bennett 2266:Reinhard Genzel 2260:Peter Goldreich 2246:Saul Perlmutter 2218: 2212: 2175: 2126: 2121: 2120: 2115: 2111: 2106: 2102: 2097: 2093: 2088: 2084: 2079: 2075: 2070: 2066: 2061: 2057: 2052: 2048: 2043: 2039: 2031: 2027: 2020: 2016: 2009: 2005: 1995: 1993: 1984: 1983: 1979: 1966: 1965: 1961: 1956: 1927: 1915:, eds. (2003). 1901: 1896: 1838: 1780: 1724: 1663: 1635:10.2307/2375080 1601: 1541: 1487: 1467: 1421: 1361: 1302: 1290: 1268: 1208: 1152: 1132: 1114:Springer-Verlag 1090: 1070: 1046:Global analysis 1022: 986: 931:closed manifold 918: 905: 897: 890: 875: 859: 853: 850:closed manifold 838: 829: 821: 818:Ricci curvature 805: 766:closed manifold 754: 746:geometric flows 698: 690:Gerhard Huisken 631: 627: 623: 615: 589: 584: 579: 570: 533: 528: 515: 507: 505: 503: 500: 499: 495:, then one has 493:Ricci curvature 491:of nonnegative 481: 462: 454:geometric flows 450: 327:Yale University 319: 236: 219: 215: 211: 179: 174: 169: 157: 154: 150: 149: 146: 145: 139: 138: 133: 132: 127: 126: 119: 118: 97: 90:Yale University 86:Alma mater 71: 62: 59: 53: 51: 43: 31: 24: 17: 12: 11: 5: 3141: 3131: 3130: 3125: 3120: 3115: 3110: 3105: 3100: 3095: 3090: 3085: 3080: 3075: 3070: 3065: 3048: 3047: 3045: 3044: 3030: 3020: 3010: 3000:Tobias Colding 2996: 2978: 2972: 2958: 2948: 2938: 2932: 2930:Shing-Tung Yau 2926: 2924:Mikhail Gromov 2920: 2914: 2908: 2902: 2896: 2886: 2880: 2874: 2867: 2864: 2863: 2855: 2854: 2847: 2840: 2832: 2823: 2822: 2820: 2819: 2813: 2810:Shing-Tung Yau 2803: 2793: 2783: 2773: 2767: 2761: 2751: 2745: 2742:Henryk Iwaniec 2735: 2732:George Lusztig 2729: 2723: 2717: 2707: 2701: 2691: 2688:Ludwig Faddeev 2681: 2678:Richard Taylor 2671: 2661: 2655: 2648: 2646: 2640: 2639: 2637: 2636: 2633:Swee Lay Thein 2626: 2619:Patrick Cramer 2616: 2606: 2600: 2593:Peter Hegemann 2586: 2580: 2574: 2567:Ian R. Gibbons 2564: 2554: 2547:Bonnie Bassler 2544: 2537:Kazutoshi Mori 2534: 2520: 2510: 2499:Jules Hoffmann 2496: 2490: 2480: 2466: 2460: 2454: 2448: 2429: 2427: 2421: 2420: 2418: 2417: 2411: 2404:Duncan Lorimer 2400:Matthew Bailes 2397: 2387: 2380:Victoria Kaspi 2377: 2371: 2365: 2359: 2353: 2339: 2333: 2319: 2316:John F. Hawley 2309: 2299: 2296:Gerald Fishman 2289: 2275: 2269: 2263: 2257: 2243: 2236:Geoffrey Marcy 2233: 2226: 2224: 2220: 2219: 2211: 2210: 2203: 2196: 2188: 2182: 2181: 2173: 2168: 2163: 2154: 2148: 2125: 2124:External links 2122: 2119: 2118: 2109: 2100: 2091: 2082: 2073: 2064: 2055: 2046: 2037: 2025: 2014: 2003: 1977: 1974:on 2013-07-27. 1958: 1957: 1955: 1952: 1948: 1947: 1925: 1898: 1897: 1848: 1840: 1839: 1790: 1782: 1781: 1752:(1): 215–226. 1734: 1726: 1725: 1673: 1665: 1664: 1611: 1603: 1602: 1551: 1543: 1542: 1513:(1): 113–126. 1497: 1489: 1488: 1465: 1431: 1423: 1422: 1371: 1363: 1362: 1312: 1304: 1303: 1288: 1218: 1210: 1209: 1176:. New Series. 1162: 1154: 1153: 1130: 1100: 1092: 1091: 1068: 1042:Smale, Stephen 1029: 1023: 1021: 1018: 994:Clifford Earle 985: 982: 968:Shing-Tung Yau 917: 914: 837: 834: 801:Shing-Tung Yau 797:Richard Schoen 753: 750: 742:Dennis DeTurck 697: 694: 612: 611: 600: 597: 592: 587: 582: 577: 573: 569: 566: 563: 560: 557: 554: 551: 548: 545: 539: 536: 532: 527: 521: 518: 513: 510: 470:Shing-Tung Yau 461: 458: 449: 446: 339:Robert Gunning 318: 315: 266: 265: 262: 261: 256: 252: 251: 249:Robert Gunning 246: 240: 239: 230: 224: 223: 206: 202: 201: 196: 192: 191: 185: 184: 163: 159: 158: 155: 147: 140: 134: 128: 120: 113: 111: 110:Known for 107: 106: 87: 83: 82: 77: 73: 72: 63: 49: 45: 44: 41: 33: 32: 29: 15: 9: 6: 4: 3: 2: 3140: 3129: 3126: 3124: 3121: 3119: 3116: 3114: 3111: 3109: 3106: 3104: 3101: 3099: 3096: 3094: 3091: 3089: 3086: 3084: 3081: 3079: 3076: 3074: 3071: 3069: 3068:Living people 3066: 3064: 3061: 3060: 3058: 3043: 3039: 3035: 3034:Xiuxiong Chen 3031: 3029: 3025: 3021: 3019: 3015: 3011: 3009: 3005: 3001: 2997: 2995: 2991: 2990:Peter OzsvĂĄth 2987: 2986:Tomasz Mrowka 2983: 2979: 2977: 2973: 2971: 2967: 2963: 2959: 2957: 2953: 2949: 2947: 2943: 2942:Andrew Casson 2939: 2937: 2933: 2931: 2927: 2925: 2921: 2919: 2915: 2913: 2909: 2907: 2903: 2901: 2897: 2895: 2891: 2887: 2885: 2884:Stephen Smale 2881: 2879: 2875: 2873: 2869: 2868: 2865: 2861: 2853: 2848: 2846: 2841: 2839: 2834: 2833: 2830: 2817: 2814: 2811: 2807: 2804: 2801: 2797: 2794: 2791: 2787: 2784: 2781: 2780:David Kazhdan 2777: 2774: 2771: 2768: 2765: 2762: 2759: 2758:Claire Voisin 2755: 2752: 2749: 2748:Nigel Hitchin 2746: 2743: 2739: 2738:Gerd Faltings 2736: 2733: 2730: 2727: 2724: 2721: 2718: 2715: 2711: 2708: 2705: 2704:Jean Bourgain 2702: 2699: 2695: 2692: 2689: 2685: 2682: 2679: 2675: 2672: 2669: 2665: 2664:David Mumford 2662: 2659: 2656: 2653: 2650: 2649: 2647: 2641: 2634: 2630: 2627: 2624: 2620: 2617: 2614: 2610: 2607: 2604: 2601: 2598: 2594: 2590: 2587: 2584: 2581: 2578: 2575: 2572: 2568: 2565: 2562: 2558: 2555: 2552: 2548: 2545: 2542: 2538: 2535: 2532: 2528: 2524: 2521: 2518: 2514: 2511: 2508: 2507:Bruce Beutler 2504: 2500: 2497: 2494: 2491: 2488: 2484: 2481: 2478: 2474: 2470: 2467: 2464: 2461: 2458: 2457:Xiaodong Wang 2455: 2452: 2449: 2446: 2442: 2438: 2437:Herbert Boyer 2434: 2431: 2430: 2428: 2422: 2415: 2412: 2409: 2405: 2401: 2398: 2395: 2391: 2388: 2385: 2381: 2378: 2375: 2372: 2369: 2366: 2363: 2360: 2357: 2354: 2351: 2347: 2343: 2342:Ronald Drever 2340: 2337: 2334: 2331: 2327: 2323: 2320: 2317: 2313: 2312:Steven Balbus 2310: 2307: 2303: 2300: 2297: 2293: 2290: 2287: 2286:David Spergel 2283: 2279: 2276: 2273: 2270: 2267: 2264: 2261: 2258: 2255: 2254:Brian Schmidt 2251: 2247: 2244: 2241: 2237: 2234: 2231: 2228: 2227: 2225: 2221: 2216: 2209: 2204: 2202: 2197: 2195: 2190: 2189: 2186: 2178: 2174: 2172: 2169: 2167: 2164: 2162: 2158: 2155: 2152: 2149: 2147: 2143: 2140: 2139: 2138: 2136: 2131: 2113: 2104: 2095: 2086: 2077: 2068: 2059: 2050: 2041: 2034: 2029: 2023: 2018: 2012: 2007: 1991: 1987: 1981: 1973: 1969: 1963: 1959: 1951: 1944: 1940: 1936: 1932: 1928: 1926:1-57146-110-8 1922: 1918: 1914: 1910: 1906: 1905: 1904: 1893: 1889: 1885: 1881: 1876: 1871: 1867: 1863: 1859: 1855: 1849: 1845: 1835: 1831: 1827: 1823: 1818: 1813: 1809: 1805: 1801: 1797: 1791: 1787: 1777: 1773: 1769: 1765: 1760: 1755: 1751: 1747: 1746: 1741: 1735: 1731: 1721: 1717: 1713: 1709: 1704: 1699: 1695: 1691: 1687: 1683: 1682:Hsiung, C.-C. 1679: 1674: 1670: 1660: 1656: 1652: 1648: 1644: 1640: 1636: 1632: 1628: 1624: 1620: 1619: 1612: 1608: 1598: 1594: 1590: 1586: 1581: 1576: 1572: 1568: 1564: 1563: 1558: 1552: 1548: 1538: 1534: 1530: 1526: 1521: 1516: 1512: 1508: 1504: 1498: 1494: 1484: 1480: 1476: 1472: 1468: 1466:9780821850794 1462: 1458: 1454: 1450: 1446: 1442: 1438: 1432: 1428: 1418: 1414: 1410: 1406: 1401: 1396: 1392: 1388: 1384: 1383: 1378: 1372: 1368: 1358: 1354: 1350: 1346: 1341: 1336: 1332: 1328: 1327: 1322: 1318: 1313: 1309: 1299: 1295: 1291: 1289:1-57146-110-8 1285: 1281: 1277: 1273: 1265: 1261: 1257: 1253: 1248: 1243: 1239: 1235: 1231: 1230: 1225: 1219: 1215: 1205: 1201: 1197: 1193: 1188: 1183: 1180:(1): 65–222. 1179: 1175: 1174: 1169: 1163: 1159: 1149: 1145: 1141: 1137: 1133: 1127: 1123: 1119: 1115: 1111: 1107: 1101: 1097: 1087: 1083: 1079: 1075: 1071: 1069:9780821814161 1065: 1060: 1055: 1051: 1047: 1043: 1039: 1035: 1030: 1026: 1017: 1015: 1011: 1007: 1003: 999: 995: 991: 981: 978: 973: 969: 963: 961: 956: 952: 947: 945: 940: 934: 932: 928: 927:vector bundle 923: 913: 909: 903: 893: 887: 885: 878: 872: 869: 865: 856: 851: 847: 843: 833: 827: 819: 813: 809: 802: 798: 793: 791: 787: 783: 779: 775: 771: 767: 763: 759: 749: 747: 743: 739: 735: 731: 730:Banach spaces 727: 723: 718: 716: 712: 707: 704:resolved the 703: 693: 691: 687: 683: 678: 676: 672: 668: 664: 660: 655: 653: 649: 645: 641: 635: 621: 598: 595: 590: 585: 575: 567: 564: 558: 552: 549: 546: 543: 537: 534: 530: 525: 519: 511: 498: 497: 496: 494: 490: 487: 479: 478:heat equation 475: 471: 467: 457: 455: 445: 443: 438: 436: 432: 427: 425: 421: 416: 414: 410: 406: 402: 398: 394: 389: 387: 383: 379: 375: 371: 367: 363: 358: 356: 352: 348: 344: 340: 336: 333:in 1966 from 332: 328: 325:in 1963 from 324: 314: 312: 308: 304: 300: 296: 292: 288: 284: 280: 276: 272: 263: 260: 257: 253: 250: 247: 245: 241: 234: 231: 229: 225: 222: 218: 214: 210: 207: 203: 200: 197: 193: 190: 186: 182: 177: 172: 167: 164: 160: 153: 143: 137: 131: 124: 123:harmonic maps 117: 112: 108: 104: 100: 95: 91: 88: 84: 81: 78: 74: 70: 69:United States 66: 60:(age 81) 50: 46: 39: 34: 27: 22: 2994:ZoltĂĄn SzabĂł 2962:Jeff Cheeger 2951: 2900:Robion Kirby 2890:Morton Brown 2816:Peter Sarnak 2790:Jeff Cheeger 2754:JĂĄnos KollĂĄr 2726:David Donoho 2713: 2658:Andrew Wiles 2643:Mathematical 2603:Scott D. Emr 2541:Peter Walter 2493:David Julius 2445:Richard Doll 2441:Yuet-Wai Kan 2426:and medicine 2424:Life science 2350:Rainer Weiss 2292:Enrico Costa 2240:Michel Mayor 2127: 2112: 2103: 2094: 2085: 2076: 2067: 2058: 2049: 2040: 2028: 2017: 2006: 1994:. Retrieved 1980: 1972:the original 1962: 1949: 1916: 1902: 1861: 1857: 1803: 1799: 1749: 1743: 1689: 1677: 1622: 1616: 1566: 1560: 1510: 1506: 1440: 1386: 1380: 1333:(1): 69–96. 1330: 1324: 1279: 1233: 1227: 1177: 1171: 1105: 1045: 987: 964: 951:Jeff Cheeger 948: 935: 919: 910: 891: 888: 876: 873: 866:. Using the 854: 842:Michael Gage 839: 811: 807: 794: 770:harmonic map 755: 721: 719: 699: 679: 656: 651: 636: 634:to be zero. 630:, by taking 613: 463: 451: 439: 428: 417: 412: 390: 359: 320: 270: 269: 232: 205:Institutions 188: 166:Veblen Prize 3063:1943 births 3028:AndrĂ© Neves 3018:Daniel Wise 3008:Paul Seidel 2976:David Gabai 2894:Barry Mazur 2623:Eva Nogales 2597:Georg Nagel 2583:Maria Jasin 2571:Ronald Vale 2561:Huda Zoghbi 2557:Adrian Bird 2356:Simon White 2230:Jim Peebles 998:Yamabe flow 939:space forms 758:James Eells 275:Mathematics 199:Mathematics 76:Nationality 3057:Categories 2878:Raoul Bott 2668:Wentsun Wu 2469:Ian Wilmut 2346:Kip Thorne 2326:Shaun Cole 2282:Lyman Page 2250:Adam Riess 2215:Shaw Prize 1954:References 1943:1108.53002 1913:Yau, S. T. 1909:Cao, H. D. 1892:0939.53024 1834:0892.53018 1776:0827.53006 1720:0867.53030 1686:Yau, S.-T. 1659:0840.53029 1597:0804.53023 1537:0799.53048 1483:0663.53031 1417:0628.53042 1357:0621.53001 1276:Yau, S. T. 1272:Cao, H. D. 1264:0504.53034 1204:0499.58003 1148:0308.35003 1086:0205.14702 984:Other work 916:Ricci flow 738:Ricci flow 659:Ricci flow 431:Shaw Prize 370:Ricci flow 291:Ricci flow 181:Shaw Prize 116:Ricci flow 54:1943-01-10 2956:Gang Tian 2796:Noga Alon 2272:Frank Shu 2223:Astronomy 2217:laureates 756:In 1964, 702:John Nash 700:In 1956, 596:≥ 517:∂ 509:∂ 464:In 1986, 317:Biography 259:Martin Lo 3042:Song Sun 3014:Ian Agol 2306:Jane Luu 1990:BBC News 1688:(eds.). 1317:Gage, M. 1278:(eds.). 1044:(eds.). 466:Peter Li 384:and the 80:American 2645:science 2144:at the 1996:16 June 1935:2145154 1884:1714939 1826:1456308 1768:1316556 1712:1375255 1651:1333936 1643:2375080 1589:1198607 1529:1230276 1475:0954419 1439:(ed.). 1409:0862046 1349:0840401 1298:2143256 1256:0664497 1196:0656198 1140:0482822 1078:0266009 929:over a 788:to the 706:problem 620:Harnack 2818:(2024) 2812:(2023) 2802:(2022) 2792:(2021) 2782:(2020) 2772:(2019) 2766:(2018) 2760:(2017) 2750:(2016) 2744:(2015) 2734:(2014) 2728:(2013) 2722:(2012) 2716:(2011) 2706:(2010) 2700:(2009) 2690:(2008) 2680:(2007) 2670:(2006) 2660:(2005) 2654:(2004) 2635:(2024) 2625:(2023) 2615:(2022) 2605:(2021) 2599:(2020) 2585:(2019) 2579:(2018) 2573:(2017) 2563:(2016) 2553:(2015) 2543:(2014) 2533:(2013) 2519:(2012) 2509:(2011) 2495:(2010) 2489:(2009) 2479:(2008) 2465:(2007) 2459:(2006) 2453:(2005) 2447:(2004) 2416:(2024) 2410:(2023) 2396:(2022) 2386:(2021) 2376:(2020) 2370:(2019) 2364:(2018) 2358:(2017) 2352:(2016) 2338:(2015) 2332:(2014) 2318:(2013) 2308:(2012) 2298:(2011) 2288:(2010) 2274:(2009) 2268:(2008) 2262:(2007) 2256:(2006) 2242:(2005) 2232:(2004) 1941:  1933:  1923:  1890:  1882:  1832:  1824:  1774:  1766:  1718:  1710:  1657:  1649:  1641:  1595:  1587:  1535:  1527:  1481:  1473:  1463:  1415:  1407:  1355:  1347:  1296:  1286:  1262:  1254:  1202:  1194:  1146:  1138:  1128:  1084:  1076:  1066:  486:closed 353:, and 237:(1969) 235:  228:Thesis 195:Fields 183:(2011) 178:(2009) 173:(2003) 168:(1996) 162:Awards 3032:2019 3022:2016 3012:2013 2998:2010 2980:2007 2974:2004 2968:and 2960:2001 2950:1996 2940:1991 2934:1986 2928:1981 2922:1981 2916:1976 2910:1976 2904:1971 2898:1971 2888:1966 2882:1966 2876:1964 2870:1964 1733:H95c. 1672:H95b. 1639:JSTOR 1610:H95a. 1550:H93b. 1496:H93a. 1311:GH86. 1217:H82b. 1161:H82a. 1028:EH70. 376:, of 331:Ph.D. 3040:and 3026:and 3016:and 3002:and 2992:and 2984:and 2954:and 2944:and 2892:and 2808:and 2798:and 2788:and 2778:and 2756:and 2740:and 2712:and 2696:and 2686:and 2676:and 2666:and 2631:and 2621:and 2611:and 2595:and 2569:and 2559:and 2549:and 2539:and 2529:and 2515:and 2505:and 2485:and 2475:and 2443:and 2406:and 2392:and 2382:and 2348:and 2328:and 2314:and 2304:and 2294:and 2284:and 2252:and 2238:and 1998:2011 1921:ISBN 1847:H99. 1789:H97. 1461:ISBN 1430:H88. 1370:H86. 1284:ISBN 1126:ISBN 1099:H75. 1064:ISBN 799:and 780:and 468:and 329:and 323:B.A. 297:and 285:and 48:Born 1939:Zbl 1888:Zbl 1870:doi 1830:Zbl 1812:doi 1772:Zbl 1754:doi 1716:Zbl 1698:doi 1655:Zbl 1631:doi 1623:117 1593:Zbl 1575:doi 1533:Zbl 1515:doi 1479:Zbl 1453:doi 1413:Zbl 1395:doi 1353:Zbl 1335:doi 1260:Zbl 1242:doi 1200:Zbl 1182:doi 1144:Zbl 1118:doi 1082:Zbl 1054:doi 894:→ ℝ 879:→ ℝ 828:of 646:on 380:'s 277:at 103:PhD 3059:: 3036:, 3006:; 2988:; 2964:, 2591:, 2525:, 2501:, 2471:, 2439:, 2435:, 2402:, 2344:, 2324:, 2280:, 2248:, 1988:. 1937:. 1931:MR 1929:. 1886:. 1880:MR 1878:. 1868:. 1860:. 1856:. 1828:. 1822:MR 1820:. 1810:. 1802:. 1798:. 1770:. 1764:MR 1762:. 1750:41 1748:. 1742:. 1714:. 1708:MR 1706:. 1696:. 1684:; 1653:. 1647:MR 1645:. 1637:. 1629:. 1621:. 1591:. 1585:MR 1583:. 1573:. 1567:37 1565:. 1559:. 1531:. 1525:MR 1523:. 1509:. 1505:. 1477:. 1471:MR 1469:. 1459:. 1451:. 1411:. 1405:MR 1403:. 1393:. 1387:24 1385:. 1379:. 1351:. 1345:MR 1343:. 1331:23 1329:. 1323:. 1294:MR 1292:. 1258:. 1252:MR 1250:. 1240:. 1234:17 1232:. 1226:. 1198:. 1192:MR 1190:. 1170:. 1142:. 1136:MR 1134:. 1124:. 1116:. 1108:. 1080:. 1074:MR 1072:. 1062:. 1040:; 1016:. 886:. 810:, 717:. 654:. 456:. 388:. 357:. 349:, 345:, 337:. 305:. 94:BA 67:, 56:) 2851:e 2844:t 2837:v 2207:e 2200:t 2193:v 2000:. 1945:. 1894:. 1872:: 1862:7 1836:. 1814:: 1804:5 1778:. 1756:: 1722:. 1700:: 1661:. 1633:: 1599:. 1577:: 1539:. 1517:: 1511:1 1485:. 1455:: 1419:. 1397:: 1359:. 1337:: 1300:. 1266:. 1244:: 1206:. 1184:: 1178:7 1150:. 1120:: 1088:. 1056:: 906:ℝ 898:ℝ 892:S 877:S 860:ℝ 855:S 830:D 822:D 814:) 812:g 808:M 806:( 632:v 628:u 624:u 616:v 599:0 591:2 586:g 581:| 576:v 572:| 568:u 565:+ 562:) 559:v 556:( 553:u 550:d 547:2 544:+ 538:t 535:2 531:u 526:+ 520:t 512:u 482:u 105:) 101:( 96:) 92:( 52:( 23:.

Index

Richard Hamilton

Cincinnati, Ohio
United States
American
Yale University
BA
Princeton University
PhD
Ricci flow
harmonic maps
Earle–Hamilton fixed-point theorem
Gage–Hamilton–Grayson theorem
Li–Yau inequalities
Nash–Moser theorem
Veblen Prize
Clay Research Award
Leroy P. Steele Prize
Shaw Prize
Mathematics
Cornell University
University of California, San Diego
Columbia University
University of Hawaiʻi at Mānoa
Thesis
Doctoral advisor
Robert Gunning
Martin Lo
Mathematics
Columbia University

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