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Bounded function

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A schematic illustration of a bounded function (red) and an unbounded one (blue). Intuitively, the graph of a bounded function stays within a horizontal band, while the graph of an unbounded function does
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approaches −1 or 1, the values of this function get larger in magnitude. This function can be made bounded if one restricts its domain to be, for example,
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are both continuous, but neither is bounded. (However, a continuous function must be bounded if its domain is both closed and bounded.)
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allow for the concept of a bounded set. Boundedness can also be determined by looking at a graph.
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on that interval. Moreover, continuous functions need not be bounded; for example, the functions
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is not a bounded function in the sense of this page's definition (unless
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A Concise Handbook of Mathematics, Physics, and Engineering Sciences
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in order to be bounded. The set of all bounded functions defined on
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The definition of boundedness can be generalized to functions
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A mathematical function the set of whose values is bounded
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Ghorpade, Sudhir R.; Limaye, Balmohan V. (2010-03-20).
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Polyanin, Andrei D.; Chernoutsan, Alexei (2010-10-18).
1847:{\displaystyle f:\mathbb {C} \rightarrow \mathbb {C} } 1533: 1443: 2627: 2414:. Springer Science & Business Media. p. 56. 2269:
Mathematics for Engineers and Scientists, 5th Edition
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are either unbounded or constant as a consequence of
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The set of all bounded sequences forms the 675:{\displaystyle f=(a_{0},a_{1},a_{2},\ldots )} 2106:{\displaystyle h:(0,1)^{2}\to \mathbb {R} } 2871:Vitale's random Brunn–Minkowski inequality 2454: 2440: 1804:{\displaystyle f:\rightarrow \mathbb {R} } 2099: 2046: 2032: 1884: 1876: 1840: 1832: 1797: 1246: 1170: 1162: 682:is bounded if there exists a real number 590: 120:Learn how and when to remove this message 2209:{\displaystyle h(x,y):={\frac {1}{x+y}}} 131: 2265: 921:. A family of bounded functions may be 14: 2951: 1347:except for −1 and 1, is unbounded. As 836:taking values in a more general space 2435: 2355: 1898:must be unbounded since it is entire. 2884:Applications & related 2403: 2401: 2310:from the original on 2 February 2013 2261: 2259: 2257: 58:adding citations to reliable sources 29: 2803:Marcinkiewicz interpolation theorem 1320:{\displaystyle f(x)=(x^{2}-1)^{-1}} 24: 2729:Symmetric decreasing rearrangement 2633: 1409: 1385: 991:), but has the weaker property of 912: 786: 529:, then the function is said to be 430:, then the function is said to be 25: 2980: 2398: 2254: 1253:{\displaystyle x\in \mathbb {R} } 1494:{\textstyle f(x)=(x^{2}+1)^{-1}} 1084:{\displaystyle f:X\rightarrow Y} 957:{\displaystyle T:X\rightarrow Y} 829:{\displaystyle f:X\rightarrow Y} 34: 2294:"The Sine and Cosine Functions" 2013:is much larger than the set of 1815:into a metric space is bounded. 1225:{\displaystyle |\sin(x)|\leq 1} 1050:{\displaystyle T(M)\subseteq Y} 556:An important special case is a 45:needs additional citations for 2374: 2349: 2322: 2286: 2182: 2170: 2135: 2123: 2095: 2086: 2073: 2042: 2000: 1988: 1880: 1836: 1793: 1790: 1778: 1765:on a closed interval, such as 1664: 1658: 1626: 1620: 1599:inverse trigonometric function 1552: 1548: 1542: 1535: 1479: 1459: 1453: 1447: 1421: 1403: 1388: 1376: 1305: 1285: 1279: 1273: 1212: 1208: 1202: 1192: 1166: 1075: 1038: 1032: 948: 872: 866: 820: 728: 713: 669: 624: 470: 464: 371: 365: 259: 255: 249: 242: 13: 1: 2699:Convergence almost everywhere 2461: 2247: 1862:. In particular, the complex 1818:All complex-valued functions 1427:{\displaystyle (-\infty ,-2]} 741:{\displaystyle |a_{n}|\leq M} 2266:Jeffrey, Alan (1996-06-13). 1921:which takes the value 0 for 1632:{\displaystyle y=\arctan(x)} 1014:{\displaystyle M\subseteq X} 856:by requiring that the image 597:{\displaystyle \mathbb {N} } 272:{\displaystyle |f(x)|\leq M} 203:if the set of its values is 7: 2866:PrĂ©kopa–Leindler inequality 2719:Locally integrable function 2641:{\displaystyle L^{\infty }} 2220: 2153:{\displaystyle g(x,y):=x+y} 1394:{\displaystyle [2,\infty )} 1138: 1021:are mapped to bounded sets 917:Weaker than boundedness is 794:{\displaystyle l^{\infty }} 10: 2985: 2612:Square-integrable function 1979:does not need to be "nice" 1977:bounded. Thus, a function 482:{\displaystyle f(x)\geq B} 383:{\displaystyle f(x)\leq A} 2883: 2861:Minkowski–Steiner formula 2831: 2793: 2737: 2686: 2620: 2564: 2533: 2469: 1670:{\displaystyle x=\tan(y)} 1565:{\textstyle |f(x)|\leq 1} 751:for every natural number 2844:Isoperimetric inequality 2849:Brunn–Minkowski theorem 2358:"Extreme Value Theorem" 1601:arctangent defined as: 1501:, defined for all real 1327:, defined for all real 582:is taken to be the set 2704:Convergence in measure 2642: 2386:encyclopediaofmath.org 2210: 2154: 2107: 2054: 2007: 1959: 1935: 1915: 1892: 1848: 1805: 1746: 1696: 1671: 1633: 1587: 1566: 1516: 1495: 1428: 1395: 1362: 1341: 1321: 1254: 1226: 1178: 1128: 1106: 1085: 1051: 1015: 993:preserving boundedness 985: 958: 903: 879: 850: 830: 795: 765: 742: 696: 676: 598: 575: 547: 523: 503: 483: 448: 424: 404: 384: 349: 328:bounded is said to be 318: 298: 273: 225: 185: 162: 138: 2818:Riesz–Fischer theorem 2643: 2602:Polarization identity 2362:mathworld.wolfram.com 2211: 2155: 2108: 2055: 2008: 1960: 1936: 1916: 1893: 1849: 1806: 1747: 1697: 1681:for all real numbers 1672: 1634: 1588: 1567: 1517: 1496: 1429: 1396: 1363: 1342: 1322: 1255: 1227: 1179: 1129: 1107: 1086: 1052: 1016: 986: 959: 904: 880: 851: 831: 796: 766: 743: 697: 677: 599: 576: 548: 524: 504: 484: 449: 425: 405: 385: 350: 324:. A function that is 319: 299: 274: 226: 186: 163: 135: 2823:Riesz–Thorin theorem 2666:Infimum and supremum 2625: 2551:Lebesgue integration 2164: 2117: 2064: 2021: 2015:continuous functions 1985: 1949: 1925: 1905: 1866: 1822: 1769: 1707: 1686: 1643: 1605: 1577: 1531: 1506: 1441: 1400: 1373: 1352: 1331: 1267: 1236: 1188: 1152: 1118: 1096: 1063: 1026: 999: 969: 936: 893: 878:{\displaystyle f(X)} 860: 840: 808: 778: 755: 709: 686: 615: 586: 565: 537: 531:bounded (from) below 513: 493: 458: 438: 432:bounded (from) above 414: 394: 359: 339: 308: 288: 238: 215: 175: 152: 54:improve this article 2785:Young's convolution 2724:Measurable function 2607:Pythagorean theorem 2597:Parseval's identity 2546:Integrable function 2356:Weisstein, Eric W. 2242:Uniform boundedness 1860:Liouville's theorem 1763:continuous function 1759:boundedness theorem 984:{\displaystyle T=0} 355:is real-valued and 2969:Types of functions 2906:Probability theory 2808:Plancherel theorem 2714:Integral transform 2661:Chebyshev distance 2638: 2587:Euclidean distance 2520:Minkowski distance 2301:math.dartmouth.edu 2206: 2150: 2103: 2050: 2003: 1971:Dirichlet function 1955: 1931: 1911: 1888: 1844: 1801: 1742: 1692: 1667: 1629: 1583: 1562: 1512: 1491: 1424: 1391: 1358: 1337: 1317: 1250: 1222: 1174: 1124: 1102: 1081: 1047: 1011: 981: 954: 899: 875: 846: 826: 791: 761: 738: 692: 672: 594: 571: 543: 519: 499: 479: 444: 420: 400: 380: 345: 314: 294: 269: 221: 207:. In other words, 181: 158: 139: 69:"Bounded function" 2946: 2945: 2879: 2878: 2694:Almost everywhere 2479: &  2421:978-1-4419-1621-1 2342:978-1-4398-0640-1 2279:978-0-412-62150-5 2237:Local boundedness 2204: 1967:irrational number 1958:{\displaystyle x} 1934:{\displaystyle x} 1914:{\displaystyle f} 1740: 1721: 1703:and bounded with 1695:{\displaystyle x} 1586:{\displaystyle x} 1515:{\displaystyle x} 1361:{\displaystyle x} 1340:{\displaystyle x} 1184:is bounded since 1127:{\displaystyle Y} 1105:{\displaystyle X} 923:uniformly bounded 919:local boundedness 902:{\displaystyle Y} 849:{\displaystyle Y} 764:{\displaystyle n} 695:{\displaystyle M} 574:{\displaystyle X} 546:{\displaystyle B} 522:{\displaystyle X} 502:{\displaystyle x} 447:{\displaystyle A} 423:{\displaystyle X} 403:{\displaystyle x} 348:{\displaystyle f} 317:{\displaystyle X} 297:{\displaystyle x} 224:{\displaystyle M} 199:values is called 184:{\displaystyle X} 161:{\displaystyle f} 130: 129: 122: 104: 16:(Redirected from 2976: 2959:Complex analysis 2896:Fourier analysis 2854:Milman's reverse 2837: 2835:Lebesgue measure 2829: 2828: 2813:Riemann–Lebesgue 2656:Bounded function 2647: 2645: 2644: 2639: 2637: 2636: 2556:Taxicab geometry 2511:Measurable space 2456: 2449: 2442: 2433: 2432: 2426: 2425: 2405: 2396: 2395: 2393: 2392: 2378: 2372: 2371: 2369: 2368: 2353: 2347: 2346: 2326: 2320: 2319: 2317: 2315: 2309: 2298: 2290: 2284: 2283: 2263: 2215: 2213: 2212: 2207: 2205: 2203: 2189: 2159: 2157: 2156: 2151: 2112: 2110: 2109: 2104: 2102: 2094: 2093: 2059: 2057: 2056: 2051: 2049: 2041: 2040: 2035: 2012: 2010: 2009: 2006:{\displaystyle } 2004: 1964: 1962: 1961: 1956: 1940: 1938: 1937: 1932: 1920: 1918: 1917: 1912: 1897: 1895: 1894: 1889: 1887: 1879: 1853: 1851: 1850: 1845: 1843: 1835: 1810: 1808: 1807: 1802: 1800: 1751: 1749: 1748: 1743: 1741: 1733: 1722: 1714: 1701: 1699: 1698: 1693: 1676: 1674: 1673: 1668: 1638: 1636: 1635: 1630: 1592: 1590: 1589: 1584: 1571: 1569: 1568: 1563: 1555: 1538: 1521: 1519: 1518: 1513: 1500: 1498: 1497: 1492: 1490: 1489: 1471: 1470: 1433: 1431: 1430: 1425: 1398: 1397: 1392: 1367: 1365: 1364: 1359: 1346: 1344: 1343: 1338: 1326: 1324: 1323: 1318: 1316: 1315: 1297: 1296: 1259: 1257: 1256: 1251: 1249: 1231: 1229: 1228: 1223: 1215: 1195: 1183: 1181: 1180: 1175: 1173: 1165: 1133: 1131: 1130: 1125: 1111: 1109: 1108: 1103: 1090: 1088: 1087: 1082: 1056: 1054: 1053: 1048: 1020: 1018: 1017: 1012: 990: 988: 987: 982: 963: 961: 960: 955: 930:bounded operator 908: 906: 905: 900: 884: 882: 881: 876: 855: 853: 852: 847: 835: 833: 832: 827: 800: 798: 797: 792: 790: 789: 770: 768: 767: 762: 747: 745: 744: 739: 731: 726: 725: 716: 701: 699: 698: 693: 681: 679: 678: 673: 662: 661: 649: 648: 636: 635: 603: 601: 600: 595: 593: 580: 578: 577: 572: 558:bounded sequence 552: 550: 549: 544: 528: 526: 525: 520: 508: 506: 505: 500: 488: 486: 485: 480: 453: 451: 450: 445: 429: 427: 426: 421: 409: 407: 406: 401: 389: 387: 386: 381: 354: 352: 351: 346: 323: 321: 320: 315: 303: 301: 300: 295: 278: 276: 275: 270: 262: 245: 230: 228: 227: 222: 190: 188: 187: 182: 168:defined on some 167: 165: 164: 159: 125: 118: 114: 111: 105: 103: 62: 38: 30: 21: 18:Bounded sequence 2984: 2983: 2979: 2978: 2977: 2975: 2974: 2973: 2949: 2948: 2947: 2942: 2875: 2832: 2827: 2789: 2765:Hausdorff–Young 2745:Babenko–Beckner 2733: 2682: 2632: 2628: 2626: 2623: 2622: 2616: 2560: 2529: 2525:Sequence spaces 2465: 2460: 2430: 2429: 2422: 2406: 2399: 2390: 2388: 2380: 2379: 2375: 2366: 2364: 2354: 2350: 2343: 2327: 2323: 2313: 2311: 2307: 2296: 2292: 2291: 2287: 2280: 2264: 2255: 2250: 2232:Compact support 2223: 2193: 2188: 2165: 2162: 2161: 2118: 2115: 2114: 2098: 2089: 2085: 2065: 2062: 2061: 2045: 2036: 2031: 2030: 2022: 2019: 2018: 1986: 1983: 1982: 1950: 1947: 1946: 1942:rational number 1926: 1923: 1922: 1906: 1903: 1902: 1883: 1875: 1867: 1864: 1863: 1839: 1831: 1823: 1820: 1819: 1796: 1770: 1767: 1766: 1732: 1713: 1708: 1705: 1704: 1687: 1684: 1683: 1644: 1641: 1640: 1606: 1603: 1602: 1578: 1575: 1574: 1551: 1534: 1532: 1529: 1528: 1527:bounded, since 1507: 1504: 1503: 1482: 1478: 1466: 1462: 1442: 1439: 1438: 1401: 1374: 1371: 1370: 1353: 1350: 1349: 1332: 1329: 1328: 1308: 1304: 1292: 1288: 1268: 1265: 1264: 1245: 1237: 1234: 1233: 1211: 1191: 1189: 1186: 1185: 1169: 1161: 1153: 1150: 1149: 1141: 1119: 1116: 1115: 1097: 1094: 1093: 1064: 1061: 1060: 1027: 1024: 1023: 1000: 997: 996: 995:; bounded sets 970: 967: 966: 937: 934: 933: 915: 913:Related notions 894: 891: 890: 861: 858: 857: 841: 838: 837: 809: 806: 805: 785: 781: 779: 776: 775: 756: 753: 752: 727: 721: 717: 712: 710: 707: 706: 687: 684: 683: 657: 653: 644: 640: 631: 627: 616: 613: 612: 606:natural numbers 589: 587: 584: 583: 566: 563: 562: 538: 535: 534: 514: 511: 510: 494: 491: 490: 459: 456: 455: 439: 436: 435: 415: 412: 411: 395: 392: 391: 360: 357: 356: 340: 337: 336: 309: 306: 305: 289: 286: 285: 258: 241: 239: 236: 235: 216: 213: 212: 176: 173: 172: 153: 150: 149: 126: 115: 109: 106: 63: 61: 51: 39: 28: 23: 22: 15: 12: 11: 5: 2982: 2972: 2971: 2966: 2961: 2944: 2943: 2941: 2940: 2939: 2938: 2933: 2923: 2918: 2913: 2908: 2903: 2898: 2893: 2887: 2885: 2881: 2880: 2877: 2876: 2874: 2873: 2868: 2863: 2858: 2857: 2856: 2846: 2840: 2838: 2826: 2825: 2820: 2815: 2810: 2805: 2799: 2797: 2791: 2790: 2788: 2787: 2782: 2777: 2772: 2767: 2762: 2757: 2752: 2747: 2741: 2739: 2735: 2734: 2732: 2731: 2726: 2721: 2716: 2711: 2709:Function space 2706: 2701: 2696: 2690: 2688: 2684: 2683: 2681: 2680: 2675: 2674: 2673: 2663: 2658: 2652: 2650: 2635: 2631: 2618: 2617: 2615: 2614: 2609: 2604: 2599: 2594: 2589: 2584: 2582:Cauchy–Schwarz 2579: 2573: 2571: 2562: 2561: 2559: 2558: 2553: 2548: 2542: 2540: 2531: 2530: 2528: 2527: 2522: 2517: 2508: 2503: 2502: 2501: 2491: 2483: 2481:Hilbert spaces 2473: 2471: 2470:Basic concepts 2467: 2466: 2459: 2458: 2451: 2444: 2436: 2428: 2427: 2420: 2397: 2373: 2348: 2341: 2321: 2285: 2278: 2252: 2251: 2249: 2246: 2245: 2244: 2239: 2234: 2229: 2222: 2219: 2218: 2217: 2202: 2199: 2196: 2192: 2187: 2184: 2181: 2178: 2175: 2172: 2169: 2149: 2146: 2143: 2140: 2137: 2134: 2131: 2128: 2125: 2122: 2101: 2097: 2092: 2088: 2084: 2081: 2078: 2075: 2072: 2069: 2048: 2044: 2039: 2034: 2029: 2026: 2002: 1999: 1996: 1993: 1990: 1954: 1930: 1910: 1899: 1886: 1882: 1878: 1874: 1871: 1842: 1838: 1834: 1830: 1827: 1816: 1799: 1795: 1792: 1789: 1786: 1783: 1780: 1777: 1774: 1755: 1739: 1736: 1731: 1728: 1725: 1720: 1717: 1712: 1691: 1666: 1663: 1660: 1657: 1654: 1651: 1648: 1628: 1625: 1622: 1619: 1616: 1613: 1610: 1595: 1582: 1561: 1558: 1554: 1550: 1547: 1544: 1541: 1537: 1511: 1488: 1485: 1481: 1477: 1474: 1469: 1465: 1461: 1458: 1455: 1452: 1449: 1446: 1435: 1423: 1420: 1417: 1414: 1411: 1408: 1405: 1390: 1387: 1384: 1381: 1378: 1357: 1336: 1314: 1311: 1307: 1303: 1300: 1295: 1291: 1287: 1284: 1281: 1278: 1275: 1272: 1261: 1248: 1244: 1241: 1221: 1218: 1214: 1210: 1207: 1204: 1201: 1198: 1194: 1172: 1168: 1164: 1160: 1157: 1140: 1137: 1123: 1101: 1080: 1077: 1074: 1071: 1068: 1046: 1043: 1040: 1037: 1034: 1031: 1010: 1007: 1004: 980: 977: 974: 953: 950: 947: 944: 941: 914: 911: 898: 874: 871: 868: 865: 845: 825: 822: 819: 816: 813: 788: 784: 773:sequence space 760: 749: 748: 737: 734: 730: 724: 720: 715: 691: 671: 668: 665: 660: 656: 652: 647: 643: 639: 634: 630: 626: 623: 620: 592: 570: 542: 518: 498: 478: 475: 472: 469: 466: 463: 443: 419: 399: 379: 376: 373: 370: 367: 364: 344: 313: 293: 280: 279: 268: 265: 261: 257: 254: 251: 248: 244: 220: 211:a real number 180: 157: 128: 127: 110:September 2021 42: 40: 33: 26: 9: 6: 4: 3: 2: 2981: 2970: 2967: 2965: 2964:Real analysis 2962: 2960: 2957: 2956: 2954: 2937: 2934: 2932: 2929: 2928: 2927: 2924: 2922: 2921:Sobolev space 2919: 2917: 2916:Real analysis 2914: 2912: 2909: 2907: 2904: 2902: 2901:Lorentz space 2899: 2897: 2894: 2892: 2891:Bochner space 2889: 2888: 2886: 2882: 2872: 2869: 2867: 2864: 2862: 2859: 2855: 2852: 2851: 2850: 2847: 2845: 2842: 2841: 2839: 2836: 2830: 2824: 2821: 2819: 2816: 2814: 2811: 2809: 2806: 2804: 2801: 2800: 2798: 2796: 2792: 2786: 2783: 2781: 2778: 2776: 2773: 2771: 2768: 2766: 2763: 2761: 2758: 2756: 2753: 2751: 2748: 2746: 2743: 2742: 2740: 2736: 2730: 2727: 2725: 2722: 2720: 2717: 2715: 2712: 2710: 2707: 2705: 2702: 2700: 2697: 2695: 2692: 2691: 2689: 2685: 2679: 2676: 2672: 2669: 2668: 2667: 2664: 2662: 2659: 2657: 2654: 2653: 2651: 2649: 2629: 2619: 2613: 2610: 2608: 2605: 2603: 2600: 2598: 2595: 2593: 2592:Hilbert space 2590: 2588: 2585: 2583: 2580: 2578: 2575: 2574: 2572: 2570: 2568: 2563: 2557: 2554: 2552: 2549: 2547: 2544: 2543: 2541: 2539: 2537: 2532: 2526: 2523: 2521: 2518: 2516: 2512: 2509: 2507: 2506:Measure space 2504: 2500: 2497: 2496: 2495: 2492: 2490: 2488: 2484: 2482: 2478: 2475: 2474: 2472: 2468: 2464: 2457: 2452: 2450: 2445: 2443: 2438: 2437: 2434: 2423: 2417: 2413: 2412: 2404: 2402: 2387: 2383: 2377: 2363: 2359: 2352: 2344: 2338: 2335:. CRC Press. 2334: 2333: 2325: 2306: 2302: 2295: 2289: 2281: 2275: 2272:. CRC Press. 2271: 2270: 2262: 2260: 2258: 2253: 2243: 2240: 2238: 2235: 2233: 2230: 2228: 2225: 2224: 2200: 2197: 2194: 2190: 2185: 2179: 2176: 2173: 2167: 2147: 2144: 2141: 2138: 2132: 2129: 2126: 2120: 2090: 2082: 2079: 2076: 2070: 2067: 2037: 2027: 2024: 2016: 1997: 1994: 1991: 1980: 1976: 1972: 1968: 1965: 1952: 1943: 1928: 1908: 1901:The function 1900: 1872: 1869: 1861: 1857: 1828: 1825: 1817: 1814: 1813:compact space 1787: 1784: 1781: 1775: 1772: 1764: 1760: 1756: 1754: 1737: 1734: 1729: 1726: 1723: 1718: 1715: 1710: 1702: 1689: 1680: 1661: 1655: 1652: 1649: 1646: 1623: 1617: 1614: 1611: 1608: 1600: 1596: 1593: 1580: 1559: 1556: 1545: 1539: 1526: 1522: 1509: 1486: 1483: 1475: 1472: 1467: 1463: 1456: 1450: 1444: 1437:The function 1436: 1418: 1415: 1412: 1406: 1382: 1379: 1368: 1355: 1334: 1312: 1309: 1301: 1298: 1293: 1289: 1282: 1276: 1270: 1263:The function 1262: 1242: 1239: 1219: 1216: 1205: 1199: 1196: 1158: 1155: 1147: 1143: 1142: 1136: 1134: 1121: 1112: 1099: 1078: 1072: 1069: 1066: 1058: 1044: 1041: 1035: 1029: 1008: 1005: 1002: 994: 978: 975: 972: 964: 951: 945: 942: 939: 931: 926: 924: 920: 910: 896: 888: 869: 863: 843: 823: 817: 814: 811: 802: 782: 774: 758: 735: 732: 722: 718: 705: 704: 703: 689: 666: 663: 658: 654: 650: 645: 641: 637: 632: 628: 621: 618: 611: 607: 581: 568: 559: 554: 540: 532: 516: 496: 476: 473: 467: 461: 441: 433: 417: 397: 377: 374: 368: 362: 342: 333: 331: 327: 311: 291: 284: 266: 263: 252: 246: 234: 233: 232: 218: 210: 206: 202: 198: 194: 178: 171: 155: 148: 144: 134: 124: 121: 113: 102: 99: 95: 92: 88: 85: 81: 78: 74: 71: â€“  70: 66: 65:Find sources: 59: 55: 49: 48: 43:This article 41: 37: 32: 31: 19: 2738:Inequalities 2678:Uniform norm 2655: 2566: 2535: 2486: 2410: 2389:. Retrieved 2385: 2376: 2365:. Retrieved 2361: 2351: 2331: 2324: 2312:. Retrieved 2300: 2288: 2268: 1974: 1945: 1682: 1573: 1524: 1502: 1348: 1114: 1092: 1022: 992: 932: 927: 916: 803: 750: 561: 557: 555: 530: 431: 334: 329: 325: 281: 209:there exists 200: 140: 116: 107: 97: 90: 83: 76: 64: 52:Please help 47:verification 44: 2936:Von Neumann 2750:Chebyshev's 2314:1 September 2227:Bounded set 2113:defined by 887:bounded set 231:such that 143:mathematics 2953:Categories 2931:C*-algebra 2755:Clarkson's 2391:2021-09-01 2367:2021-09-01 2248:References 1944:and 1 for 1854:which are 1679:increasing 702:such that 80:newspapers 2926:*-algebra 2911:Quasinorm 2780:Minkowski 2671:Essential 2634:∞ 2463:Lp spaces 2096:→ 2043:→ 1881:→ 1837:→ 1794:→ 1735:π 1716:π 1711:− 1656:⁡ 1618:⁡ 1557:≤ 1484:− 1416:− 1410:∞ 1407:− 1386:∞ 1310:− 1299:− 1243:∈ 1217:≤ 1200:⁡ 1167:→ 1148:function 1076:→ 1042:⊆ 1006:⊆ 949:→ 821:→ 787:∞ 733:≤ 667:… 608:. Thus a 474:≥ 375:≤ 330:unbounded 264:≤ 2775:Markov's 2770:Hölder's 2760:Hanner's 2577:Bessel's 2515:function 2499:Lebesgue 2305:Archived 2221:See also 1761:, every 1572:for all 1232:for all 1139:Examples 610:sequence 560:, where 489:for all 390:for all 147:function 2795:Results 2494:Measure 1757:By the 1753:radians 283:for all 205:bounded 201:bounded 197:complex 94:scholar 2648:spaces 2569:spaces 2538:spaces 2489:spaces 2477:Banach 2418:  2339:  2276:  1856:entire 1615:arctan 96:  89:  82:  75:  67:  2308:(PDF) 2297:(PDF) 1969:(cf. 885:is a 454:. If 191:with 101:JSTOR 87:books 2833:For 2687:Maps 2416:ISBN 2337:ISBN 2316:2021 2274:ISBN 2160:and 2060:and 1730:< 1724:< 1597:The 1146:sine 1144:The 1113:and 193:real 145:, a 137:not. 73:news 1870:sin 1677:is 1653:tan 1639:or 1197:sin 1156:sin 1091:if 925:. 889:in 604:of 533:by 509:in 434:by 410:in 335:If 326:not 304:in 195:or 170:set 141:In 56:by 2955:: 2400:^ 2384:. 2360:. 2303:. 2299:. 2256:^ 2186::= 2139::= 1975:is 1973:) 1525:is 1523:, 928:A 909:. 801:. 332:. 2630:L 2567:L 2536:L 2513:/ 2487:L 2455:e 2448:t 2441:v 2424:. 2394:. 2370:. 2345:. 2318:. 2282:. 2201:y 2198:+ 2195:x 2191:1 2183:) 2180:y 2177:, 2174:x 2171:( 2168:h 2148:y 2145:+ 2142:x 2136:) 2133:y 2130:, 2127:x 2124:( 2121:g 2100:R 2091:2 2087:) 2083:1 2080:, 2077:0 2074:( 2071:: 2068:h 2047:R 2038:2 2033:R 2028:: 2025:g 2001:] 1998:1 1995:, 1992:0 1989:[ 1953:x 1929:x 1909:f 1885:C 1877:C 1873:: 1841:C 1833:C 1829:: 1826:f 1798:R 1791:] 1788:1 1785:, 1782:0 1779:[ 1776:: 1773:f 1738:2 1727:y 1719:2 1690:x 1665:) 1662:y 1659:( 1650:= 1647:x 1627:) 1624:x 1621:( 1612:= 1609:y 1594:. 1581:x 1560:1 1553:| 1549:) 1546:x 1543:( 1540:f 1536:| 1510:x 1487:1 1480:) 1476:1 1473:+ 1468:2 1464:x 1460:( 1457:= 1454:) 1451:x 1448:( 1445:f 1434:. 1422:] 1419:2 1413:, 1404:( 1389:) 1383:, 1380:2 1377:[ 1356:x 1335:x 1313:1 1306:) 1302:1 1294:2 1290:x 1286:( 1283:= 1280:) 1277:x 1274:( 1271:f 1260:. 1247:R 1240:x 1220:1 1213:| 1209:) 1206:x 1203:( 1193:| 1171:R 1163:R 1159:: 1122:Y 1100:X 1079:Y 1073:X 1070:: 1067:f 1057:. 1045:Y 1039:) 1036:M 1033:( 1030:T 1009:X 1003:M 979:0 976:= 973:T 952:Y 946:X 943:: 940:T 897:Y 873:) 870:X 867:( 864:f 844:Y 824:Y 818:X 815:: 812:f 783:l 759:n 736:M 729:| 723:n 719:a 714:| 690:M 670:) 664:, 659:2 655:a 651:, 646:1 642:a 638:, 633:0 629:a 625:( 622:= 619:f 591:N 569:X 541:B 517:X 497:x 477:B 471:) 468:x 465:( 462:f 442:A 418:X 398:x 378:A 372:) 369:x 366:( 363:f 343:f 312:X 292:x 267:M 260:| 256:) 253:x 250:( 247:f 243:| 219:M 179:X 156:f 123:) 117:( 112:) 108:( 98:· 91:· 84:· 77:· 50:. 20:)

Index

Bounded sequence

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mathematics
function
set
real
complex
bounded
there exists
for all
natural numbers
sequence
sequence space
bounded set
local boundedness
uniformly bounded
bounded operator
sine
inverse trigonometric function

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