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One-dimensional space

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there are several structures that are one-dimensional spaces but are usually referred to by more specific terms. Any
247: 1410: 1572:, these spaces are one-dimensional with respect to the algebra, even if the algebra is of higher dimensionality. 1710: 1174: 1128: 734: 193: 1338: 1805: 1565: 17: 1149: 759: 1703: 1167: 1740: 1382: 136: 1450: 1948: 1943: 1923: 1405: 562: 242: 99: 1933: 1928: 1908: 1618: 1247: 1239: 638: 349: 227: 112: 1938: 1918: 1489: 1478: 410: 330: 325: 178: 1569: 1561: 1078: 1001: 849: 754: 276: 171: 85: 8: 2014: 1815: 1810: 1543: 1282: 1251: 1083: 1027: 940: 794: 774: 699: 589: 460: 450: 313: 188: 183: 166: 141: 129: 81: 76: 57: 1315: 2009: 1989: 1830: 1785: 1596: 1558: 1554: 1287: 1278: 1259: 1255: 1203: 1042: 769: 609: 237: 161: 151: 122: 107: 1825: 1667: 1581: 1113: 901: 879: 804: 663: 389: 318: 210: 156: 117: 1103: 1032: 829: 739: 1755: 1215: 1093: 834: 544: 422: 357: 215: 200: 65: 1800: 1745: 1659: 1377: 1309: 516: 379: 222: 205: 146: 52: 1088: 1057: 991: 839: 784: 719: 1882: 1867: 1470: 1263: 1243: 1144: 1052: 996: 961: 869: 779: 749: 709: 614: 1639: 1118: 729: 2003: 1872: 1524: 1231: 1223: 1123: 1108: 1037: 854: 814: 764: 539: 502: 469: 307: 303: 1892: 1857: 1750: 1305: 1062: 1011: 824: 679: 594: 384: 1977: 1760: 1587: 1539: 1485: 1219: 1211: 1098: 971: 789: 724: 652: 624: 599: 35: 1689:, page 70, Cambridge Tracts in Mathematics and Mathematical Physics # 46 1972: 1852: 1682: 1613: 1535: 1207: 956: 935: 925: 915: 874: 819: 714: 704: 604: 455: 1953: 1862: 1775: 1726: 966: 684: 647: 511: 483: 1877: 1840: 1765: 1047: 1006: 976: 864: 859: 809: 534: 493: 441: 335: 298: 44: 1887: 1568:
is a one-dimensional space over the ring. In case the ring is an
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is a one-dimensional space. In particular, if the field is the
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is a one-dimensional space, regardless of the dimension of the
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in which the line or curve is embedded. Examples include the
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Similarly, the 1462:{\displaystyle \mathbb {C} } 7: 1607: 1566:projective line over a ring 10: 2031: 1579: 1473:, as it is a model of the 1986: 1965: 1901: 1839: 1793: 1782: 1733: 1642:(in Russian). fmclass.ru 137:Non-Archimedean geometry 27:Space with one dimension 1406:complex projective line 243:Noncommutative geometry 1664:The Theory of Matrices 1619:Zero-dimensional space 1463: 1441: 1398: 1370: 1329: 1298: 1240:parametric space curve 211:Discrete/Combinatorial 38: 1490:linear transformation 1464: 1442: 1399: 1371: 1330: 1304:is a one-dimensional 1299: 1196:one-dimensional space 194:Discrete differential 33: 1902:Dimensions by number 1570:algebra over a field 1527:under the action of 1451: 1411: 1383: 1339: 1316: 1288: 1250:is called a "linear 1210:. An example is the 1544:one-parameter group 461:Pythagorean theorem 1831:Degrees of freedom 1734:Dimensional spaces 1553:More generally, a 1495:on a vector space 1459: 1437: 1394: 1366: 1328:{\displaystyle K,} 1325: 1294: 1279:algebraic geometry 1204:mathematical space 39: 1997: 1996: 1806:Lebesgue covering 1771:Algebraic variety 1582:Coordinate system 1308:over itself. The 1297:{\displaystyle K} 1238:on a plane, or a 1192: 1191: 1157: 1156: 880:List of geometers 563:Three-dimensional 552: 551: 16:(Redirected from 2022: 1794:Other dimensions 1788: 1756:Projective space 1720: 1713: 1706: 1697: 1696: 1690: 1680: 1674: 1657: 1651: 1650: 1648: 1647: 1635: 1599: 1468: 1466: 1465: 1460: 1458: 1446: 1444: 1443: 1438: 1433: 1425: 1424: 1419: 1403: 1401: 1400: 1395: 1390: 1375: 1373: 1372: 1367: 1353: 1352: 1347: 1334: 1332: 1331: 1326: 1303: 1301: 1300: 1295: 1184: 1177: 1170: 898: 897: 417: 416: 350:Zero-dimensional 55: 41: 40: 21: 2030: 2029: 2025: 2024: 2023: 2021: 2020: 2019: 2000: 1999: 1998: 1993: 1982: 1961: 1897: 1835: 1789: 1780: 1746:Euclidean space 1729: 1724: 1694: 1693: 1681: 1677: 1660:Peter Lancaster 1658: 1654: 1645: 1643: 1636: 1632: 1627: 1610: 1603: 1600: 1584: 1578: 1542:is mapped to a 1479:two-dimensional 1454: 1452: 1449: 1448: 1429: 1420: 1415: 1414: 1412: 1409: 1408: 1386: 1384: 1381: 1380: 1378:complex numbers 1348: 1343: 1342: 1340: 1337: 1336: 1317: 1314: 1313: 1310:projective line 1289: 1286: 1285: 1188: 1159: 1158: 895: 894: 885: 884: 675: 674: 658: 657: 643: 642: 630: 629: 566: 565: 554: 553: 414: 413: 411:Two-dimensional 402: 401: 375: 374: 372:One-dimensional 363: 362: 353: 352: 341: 340: 274: 273: 272: 255: 254: 103: 102: 91: 68: 28: 23: 22: 15: 12: 11: 5: 2028: 2018: 2017: 2012: 1995: 1994: 1987: 1984: 1983: 1981: 1980: 1975: 1969: 1967: 1963: 1962: 1960: 1959: 1951: 1946: 1941: 1936: 1931: 1926: 1921: 1916: 1911: 1905: 1903: 1899: 1898: 1896: 1895: 1890: 1885: 1883:Cross-polytope 1880: 1875: 1870: 1868:Hyperrectangle 1865: 1860: 1855: 1849: 1847: 1837: 1836: 1834: 1833: 1828: 1823: 1818: 1813: 1808: 1803: 1797: 1795: 1791: 1790: 1783: 1781: 1779: 1778: 1773: 1768: 1763: 1758: 1753: 1748: 1743: 1737: 1735: 1731: 1730: 1723: 1722: 1715: 1708: 1700: 1692: 1691: 1675: 1652: 1629: 1628: 1626: 1623: 1622: 1621: 1616: 1609: 1606: 1605: 1604: 1601: 1594: 1580:Main article: 1577: 1574: 1471:Riemann sphere 1457: 1436: 1432: 1428: 1423: 1418: 1393: 1389: 1365: 1362: 1359: 1356: 1351: 1346: 1324: 1321: 1293: 1244:physical space 1190: 1189: 1187: 1186: 1179: 1172: 1164: 1161: 1160: 1155: 1154: 1153: 1152: 1147: 1139: 1138: 1134: 1133: 1132: 1131: 1126: 1121: 1116: 1111: 1106: 1101: 1096: 1091: 1086: 1081: 1073: 1072: 1068: 1067: 1066: 1065: 1060: 1055: 1050: 1045: 1040: 1035: 1030: 1022: 1021: 1017: 1016: 1015: 1014: 1009: 1004: 999: 994: 989: 984: 979: 974: 969: 964: 959: 951: 950: 946: 945: 944: 943: 938: 933: 928: 923: 918: 913: 905: 904: 896: 892: 891: 890: 887: 886: 883: 882: 877: 872: 867: 862: 857: 852: 847: 842: 837: 832: 827: 822: 817: 812: 807: 802: 797: 792: 787: 782: 777: 772: 767: 762: 757: 752: 747: 742: 737: 732: 727: 722: 717: 712: 707: 702: 697: 692: 687: 682: 676: 672: 671: 670: 667: 666: 660: 659: 656: 655: 650: 644: 637: 636: 635: 632: 631: 628: 627: 622: 617: 615:Platonic Solid 612: 607: 602: 597: 592: 587: 586: 585: 574: 573: 567: 561: 560: 559: 556: 555: 550: 549: 548: 547: 542: 537: 529: 528: 522: 521: 520: 519: 514: 506: 505: 499: 498: 497: 496: 491: 486: 481: 473: 472: 466: 465: 464: 463: 458: 453: 445: 444: 438: 437: 436: 435: 430: 425: 415: 409: 408: 407: 404: 403: 400: 399: 394: 393: 392: 387: 376: 370: 369: 368: 365: 364: 361: 360: 354: 348: 347: 346: 343: 342: 339: 338: 333: 328: 322: 321: 316: 311: 301: 296: 291: 285: 284: 275: 271: 270: 267: 263: 262: 261: 260: 257: 256: 253: 252: 251: 250: 240: 235: 230: 225: 220: 219: 218: 208: 203: 198: 197: 196: 191: 186: 176: 175: 174: 169: 159: 154: 149: 144: 139: 134: 133: 132: 127: 126: 125: 110: 104: 98: 97: 96: 93: 92: 90: 89: 79: 73: 70: 69: 56: 48: 47: 26: 9: 6: 4: 3: 2: 2027: 2016: 2013: 2011: 2008: 2007: 2005: 1992: 1991: 1985: 1979: 1976: 1974: 1971: 1970: 1968: 1964: 1958: 1956: 1952: 1950: 1947: 1945: 1942: 1940: 1937: 1935: 1932: 1930: 1927: 1925: 1922: 1920: 1917: 1915: 1912: 1910: 1907: 1906: 1904: 1900: 1894: 1891: 1889: 1886: 1884: 1881: 1879: 1876: 1874: 1873:Demihypercube 1871: 1869: 1866: 1864: 1861: 1859: 1856: 1854: 1851: 1850: 1848: 1846: 1842: 1838: 1832: 1829: 1827: 1824: 1822: 1819: 1817: 1814: 1812: 1809: 1807: 1804: 1802: 1799: 1798: 1796: 1792: 1787: 1777: 1774: 1772: 1769: 1767: 1764: 1762: 1759: 1757: 1754: 1752: 1749: 1747: 1744: 1742: 1739: 1738: 1736: 1732: 1728: 1721: 1716: 1714: 1709: 1707: 1702: 1701: 1698: 1688: 1684: 1679: 1673: 1672:0-12-435560-9 1669: 1665: 1661: 1656: 1641: 1638:Гущин, Д. Д. 1634: 1630: 1620: 1617: 1615: 1612: 1611: 1598: 1593: 1592: 1591: 1589: 1583: 1573: 1571: 1567: 1563: 1560: 1556: 1551: 1549: 1545: 1541: 1537: 1532: 1530: 1526: 1525:invariant set 1522: 1518: 1514: 1510: 1506: 1502: 1498: 1494: 1491: 1487: 1482: 1480: 1476: 1472: 1421: 1407: 1391: 1379: 1363: 1357: 1349: 1322: 1319: 1311: 1307: 1291: 1284: 1280: 1275: 1273: 1269: 1265: 1261: 1257: 1253: 1249: 1245: 1241: 1237: 1233: 1232:ambient space 1229: 1225: 1224:straight line 1221: 1217: 1213: 1209: 1205: 1201: 1197: 1185: 1180: 1178: 1173: 1171: 1166: 1165: 1163: 1162: 1151: 1148: 1146: 1143: 1142: 1141: 1140: 1136: 1135: 1130: 1127: 1125: 1122: 1120: 1117: 1115: 1112: 1110: 1107: 1105: 1102: 1100: 1097: 1095: 1092: 1090: 1087: 1085: 1082: 1080: 1077: 1076: 1075: 1074: 1070: 1069: 1064: 1061: 1059: 1056: 1054: 1051: 1049: 1046: 1044: 1041: 1039: 1036: 1034: 1031: 1029: 1026: 1025: 1024: 1023: 1019: 1018: 1013: 1010: 1008: 1005: 1003: 1000: 998: 995: 993: 990: 988: 985: 983: 980: 978: 975: 973: 970: 968: 965: 963: 960: 958: 955: 954: 953: 952: 948: 947: 942: 939: 937: 934: 932: 929: 927: 924: 922: 919: 917: 914: 912: 909: 908: 907: 906: 903: 900: 899: 889: 888: 881: 878: 876: 873: 871: 868: 866: 863: 861: 858: 856: 853: 851: 848: 846: 843: 841: 838: 836: 833: 831: 828: 826: 823: 821: 818: 816: 813: 811: 808: 806: 803: 801: 798: 796: 793: 791: 788: 786: 783: 781: 778: 776: 773: 771: 768: 766: 763: 761: 758: 756: 753: 751: 748: 746: 743: 741: 738: 736: 733: 731: 728: 726: 723: 721: 718: 716: 713: 711: 708: 706: 703: 701: 698: 696: 693: 691: 688: 686: 683: 681: 678: 677: 669: 668: 665: 662: 661: 654: 651: 649: 646: 645: 640: 634: 633: 626: 623: 621: 618: 616: 613: 611: 608: 606: 603: 601: 598: 596: 593: 591: 588: 584: 581: 580: 579: 576: 575: 572: 569: 568: 564: 558: 557: 546: 543: 541: 540:Circumference 538: 536: 533: 532: 531: 530: 527: 524: 523: 518: 515: 513: 510: 509: 508: 507: 504: 503:Quadrilateral 501: 500: 495: 492: 490: 487: 485: 482: 480: 477: 476: 475: 474: 471: 470:Parallelogram 468: 467: 462: 459: 457: 454: 452: 449: 448: 447: 446: 443: 440: 439: 434: 431: 429: 426: 424: 421: 420: 419: 418: 412: 406: 405: 398: 395: 391: 388: 386: 383: 382: 381: 378: 377: 373: 367: 366: 359: 356: 355: 351: 345: 344: 337: 334: 332: 329: 327: 324: 323: 320: 317: 315: 312: 309: 308:Perpendicular 305: 304:Orthogonality 302: 300: 297: 295: 292: 290: 287: 286: 283: 280: 279: 278: 268: 265: 264: 259: 258: 249: 246: 245: 244: 241: 239: 236: 234: 231: 229: 228:Computational 226: 224: 221: 217: 214: 213: 212: 209: 207: 204: 202: 199: 195: 192: 190: 187: 185: 182: 181: 180: 177: 173: 170: 168: 165: 164: 163: 160: 158: 155: 153: 150: 148: 145: 143: 140: 138: 135: 131: 128: 124: 121: 120: 119: 116: 115: 114: 113:Non-Euclidean 111: 109: 106: 105: 101: 95: 94: 87: 83: 80: 78: 75: 74: 72: 71: 67: 63: 59: 54: 50: 49: 46: 43: 42: 37: 32: 19: 1988: 1954: 1913: 1893:Hyperpyramid 1858:Hypersurface 1751:Affine space 1741:Vector space 1686: 1678: 1663: 1655: 1644:. Retrieved 1633: 1585: 1552: 1533: 1528: 1520: 1516: 1512: 1508: 1504: 1500: 1496: 1492: 1483: 1306:vector space 1276: 1199: 1195: 1193: 1012:Parameshvara 825:Parameshvara 595:Dodecahedron 371: 179:Differential 1978:Codimension 1957:-dimensions 1878:Hypersphere 1761:Free module 1602:Number line 1588:number line 1540:Lie algebra 1519:, that is, 1486:eigenvector 1260:curvilinear 1256:rectilinear 1220:real number 1212:number line 1137:Present day 1084:Lobachevsky 1071:1700s–1900s 1028:Jyeṣṭhadeva 1020:1400s–1700s 972:Brahmagupta 795:Lobachevsky 775:Jyeṣṭhadeva 725:Brahmagupta 653:Hypersphere 625:Tetrahedron 600:Icosahedron 172:Diophantine 36:number line 18:1 dimension 2015:1 (number) 2004:Categories 1973:Hyperspace 1853:Hyperplane 1687:Lie Groups 1683:P. M. Cohn 1646:2015-06-06 1625:References 1614:Univariate 1559:length-one 1546:under the 1536:Lie theory 1484:For every 1226:or smooth 1208:coordinate 997:al-Yasamin 941:Apollonius 936:Archimedes 926:Pythagoras 916:Baudhayana 870:al-Yasamin 820:Pythagoras 715:Baudhayana 705:Archimedes 700:Apollonius 605:Octahedron 456:Hypotenuse 331:Similarity 326:Congruence 238:Incidence 189:Symplectic 184:Riemannian 167:Arithmetic 142:Projective 130:Hyperbolic 58:Projecting 2010:Dimension 1863:Hypercube 1841:Polytopes 1821:Minkowski 1816:Hausdorff 1811:Inductive 1776:Spacetime 1727:Dimension 1404:then the 1252:dimension 1114:Minkowski 1033:Descartes 967:Aryabhata 962:Kātyāyana 893:by period 805:Minkowski 780:Kātyāyana 740:Descartes 685:Aryabhata 664:Geometers 648:Tesseract 512:Trapezoid 484:Rectangle 277:Dimension 162:Algebraic 152:Synthetic 123:Spherical 108:Euclidean 1990:Category 1966:See also 1766:Manifold 1608:See also 1335:denoted 1262:), with 1248:subspace 1200:1D space 1104:Poincaré 1048:Minggatu 1007:Yang Hui 977:Virasena 865:Yang Hui 860:Virasena 830:Poincaré 810:Minggatu 590:Cylinder 535:Diameter 494:Rhomboid 451:Altitude 442:Triangle 336:Symmetry 314:Parallel 299:Diagonal 269:Features 266:Concepts 157:Analytic 118:Elliptic 100:Branches 86:Timeline 45:Geometry 1888:Simplex 1826:Fractal 1685:(1961) 1270:(e.g., 1246:, a 1D 1222:. Any 1214:, each 1202:) is a 1129:Coxeter 1109:Hilbert 1094:Riemann 1043:Huygens 1002:al-Tusi 992:Khayyám 982:Alhazen 949:1–1400s 850:al-Tusi 835:Riemann 785:Khayyám 770:Huygens 765:Hilbert 735:Coxeter 695:Alhazen 673:by name 610:Pyramid 489:Rhombus 433:Polygon 385:segment 233:Fractal 216:Digital 201:Complex 82:History 77:Outline 1845:shapes 1670:  1562:module 1523:is an 1475:sphere 1268:length 1236:circle 1150:Gromov 1145:Atiyah 1124:Veblen 1119:Cartan 1089:Bolyai 1058:Sakabe 1038:Pascal 931:Euclid 921:Manava 855:Veblen 840:Sakabe 815:Pascal 800:Manava 760:Gromov 745:Euclid 730:Cartan 720:Bolyai 710:Atiyah 620:Sphere 583:cuboid 571:Volume 526:Circle 479:Square 397:Length 319:Vertex 223:Convex 206:Finite 147:Affine 62:sphere 1949:Eight 1944:Seven 1924:Three 1801:Krull 1557:is a 1488:of a 1312:over 1283:field 1272:metre 1264:units 1242:. In 1228:curve 1216:point 1099:Klein 1079:Gauss 1053:Euler 987:Sijzi 957:Zhang 911:Ahmes 875:Zhang 845:Sijzi 790:Klein 755:Gauss 750:Euler 690:Ahmes 423:Plane 358:Point 294:Curve 289:Angle 66:plane 64:to a 1934:Five 1929:Four 1909:Zero 1843:and 1668:ISBN 1555:ring 1515:) = 1063:Aida 680:Aida 639:Four 578:Cube 545:Area 517:Kite 428:Area 380:Line 34:The 1939:Six 1919:Two 1914:One 1534:In 1277:In 1274:). 1266:of 1258:or 1254:" ( 902:BCE 390:ray 2006:: 1590:. 1550:. 1531:. 1503:⊂ 1477:, 1194:A 60:a 1955:n 1719:e 1712:t 1705:v 1649:. 1529:T 1521:A 1517:A 1513:A 1511:( 1509:T 1505:V 1501:A 1497:V 1493:T 1456:C 1435:) 1431:C 1427:( 1422:1 1417:P 1392:, 1388:C 1364:, 1361:) 1358:K 1355:( 1350:1 1345:P 1323:, 1320:K 1292:K 1198:( 1183:e 1176:t 1169:v 310:) 306:( 88:) 84:( 20:)

Index

1 dimension

number line
Geometry
Stereographic projection from the top of a sphere onto a plane beneath it
Projecting
sphere
plane
Outline
History
Timeline
Branches
Euclidean
Non-Euclidean
Elliptic
Spherical
Hyperbolic
Non-Archimedean geometry
Projective
Affine
Synthetic
Analytic
Algebraic
Arithmetic
Diophantine
Differential
Riemannian
Symplectic
Discrete differential
Complex

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