Knowledge (XXG)

Countably barrelled space

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Every countably barrelled space is a σ-barrelled space and every σ-barrelled space is sequentially barrelled. Every σ-barrelled space is a
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and thus not countably barrelled. There exist sequentially barrelled spaces that are not σ-quasi-barrelled. There exist
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that is not a 𝜎-barrelled space. There exist σ-barrelled spaces that are not
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There exist σ-barrelled spaces that are not countably barrelled. There exist
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and of a metrizable locally convex space is countably barrelled.
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is again equicontinuous. This property is a generalization of
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locally convex TVSs that are not sequentially barrelled.
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countably barrelled spaces that are not barrelled. The
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that is equal to the countable intersection of closed
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Schwartz spaces, nuclear spaces, and tensor products
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Topological Vector Spaces, Distributions and Kernels
1158: 1102: 1000: 888: 823: 757: 366: 331: 296: 261: 234:neighborhoods of 0 is itself a neighborhood of 0. 204: 177: 146: 115: 71: 463:that are not countably barrelled. There exists a 116:{\displaystyle B^{\prime }\subseteq X^{\prime }} 574:. Vol. 936. Berlin, Heidelberg, New York: 471:. There exist σ-barrelled spaces that are not 219:TVS is countably barrelled if and only if each 601:Narici, Lawrence; Beckenstein, Edward (2011). 436:is countably barrelled. However, there exist 734: 8: 568:Counterexamples in Topological Vector Spaces 554: 28:if every weakly bounded countable union of 741: 727: 719: 358: 352: 323: 317: 288: 282: 253: 247: 196: 190: 169: 163: 138: 132: 107: 94: 88: 63: 57: 510: 420:that is also a 𝜎-barrelled space is a 880:Uniform boundedness (Banach–Steinhaus) 154:that is equal to a countable union of 669:. Mineola, N.Y.: Dover Publications. 382:Every countably barrelled space is a 7: 696:. Berlin New York: Springer-Verlag. 428:Examples and sufficient conditions 14: 312:A TVS with continuous dual space 242:A TVS with continuous dual space 1418: 1417: 473:countably quasi-barrelled spaces 277:bounded (countable) sequence in 1405:With the approximation property 868:Open mapping (Banach–Schauder) 384:countably quasibarrelled space 1: 631:; Wolff, Manfred P. (1999). 572:Lecture Notes in Mathematics 396:sequentially barrelled space 308:Sequentially barrelled space 212:is itself equicontinuous. A 1089:Radially convex/Star-shaped 1074:Pre-compact/Totally bounded 566:Khaleelulla, S. M. (1982). 367:{\displaystyle X^{\prime }} 332:{\displaystyle X^{\prime }} 297:{\displaystyle X^{\prime }} 262:{\displaystyle X^{\prime }} 205:{\displaystyle B^{\prime }} 178:{\displaystyle X^{\prime }} 147:{\displaystyle X^{\prime }} 72:{\displaystyle X^{\prime }} 52:with continuous dual space 1460: 775:Continuous linear operator 1413: 1120:Algebraic interior (core) 862:Vector-valued Hahn–Banach 750:Topological vector spaces 633:Topological Vector Spaces 603:Topological Vector Spaces 406:is countably barrelled. 950:Topological homomorphism 810:Topological vector space 22:topological vector space 411:σ-quasi-barrelled space 392:σ-quasi-barrelled space 347:convergent sequence in 1008:Absolutely convex/disk 368: 341:sequentially barrelled 333: 298: 263: 206: 179: 148: 117: 73: 1043:Complemented subspace 857:hyperplane separation 465:quasi-barrelled space 418:quasi-barrelled space 369: 334: 299: 264: 207: 180: 149: 118: 74: 34:continuous dual space 1293:Locally convex space 843:Closed graph theorem 795:Locally convex space 499:Quasibarrelled space 351: 316: 304:is equicontinuous. 281: 246: 189: 162: 131: 87: 56: 24:(TVS) is said to be 1444:Functional analysis 1273:Interpolation space 805:Operator topologies 629:Schaefer, Helmut H. 446:distinguished space 374:is equicontinuous. 81:countably barrelled 26:countably barrelled 18:functional analysis 1303:(Pseudo)Metrizable 1135:Minkowski addition 987:Sublinear function 364: 329: 294: 259: 202: 175: 144: 127:bounded subset of 113: 69: 1431: 1430: 1150:Relative interior 896:Bilinear operator 780:Linear functional 676:978-0-486-45352-1 646:978-1-4612-7155-0 585:978-3-540-11565-6 557:, pp. 28–63. 416:A locally convex 404:strong dual space 388:σ-barrelled space 238:σ-barrelled space 1451: 1421: 1420: 1395:Uniformly smooth 1064: 1056: 1023:Balanced/Circled 1013:Absorbing/Radial 743: 736: 729: 720: 715: 688: 663:TrĂšves, François 658: 624: 597: 558: 555:Khaleelulla 1982 552: 452:Counter-examples 373: 371: 370: 365: 363: 362: 338: 336: 335: 330: 328: 327: 303: 301: 300: 295: 293: 292: 268: 266: 265: 260: 258: 257: 211: 209: 208: 203: 201: 200: 184: 182: 181: 176: 174: 173: 153: 151: 150: 145: 143: 142: 122: 120: 119: 114: 112: 111: 99: 98: 78: 76: 75: 70: 68: 67: 38:barrelled spaces 1459: 1458: 1454: 1453: 1452: 1450: 1449: 1448: 1434: 1433: 1432: 1427: 1409: 1171:B-complete/Ptak 1154: 1098: 1062: 1054: 1033:Bounding points 996: 938:Densely defined 884: 873:Bounded inverse 819: 753: 747: 704: 691: 677: 661: 647: 627: 613: 600: 586: 576:Springer-Verlag 565: 562: 561: 553: 512: 507: 489:Barrelled space 485: 454: 434:barrelled space 430: 422:barrelled space 402:is a TVS whose 380: 354: 349: 348: 319: 314: 313: 310: 284: 279: 278: 249: 244: 243: 240: 192: 187: 186: 165: 160: 159: 134: 129: 128: 103: 90: 85: 84: 59: 54: 53: 46: 32:subsets of its 12: 11: 5: 1457: 1455: 1447: 1446: 1436: 1435: 1429: 1428: 1426: 1425: 1414: 1411: 1410: 1408: 1407: 1402: 1397: 1392: 1390:Ultrabarrelled 1382: 1376: 1371: 1365: 1360: 1355: 1350: 1345: 1340: 1331: 1325: 1320: 1318:Quasi-complete 1315: 1313:Quasibarrelled 1310: 1305: 1300: 1295: 1290: 1285: 1280: 1275: 1270: 1265: 1260: 1255: 1254: 1253: 1243: 1238: 1233: 1228: 1223: 1218: 1213: 1208: 1203: 1193: 1188: 1178: 1173: 1168: 1162: 1160: 1156: 1155: 1153: 1152: 1142: 1137: 1132: 1127: 1122: 1112: 1106: 1104: 1103:Set operations 1100: 1099: 1097: 1096: 1091: 1086: 1081: 1076: 1071: 1066: 1058: 1050: 1045: 1040: 1035: 1030: 1025: 1020: 1015: 1010: 1004: 1002: 998: 997: 995: 994: 989: 984: 979: 974: 973: 972: 967: 962: 952: 947: 946: 945: 940: 935: 930: 925: 920: 915: 905: 904: 903: 892: 890: 886: 885: 883: 882: 877: 876: 875: 865: 859: 850: 845: 840: 838:Banach–Alaoglu 835: 833:Anderson–Kadec 829: 827: 821: 820: 818: 817: 812: 807: 802: 797: 792: 787: 782: 777: 772: 767: 761: 759: 758:Basic concepts 755: 754: 748: 746: 745: 738: 731: 723: 717: 716: 702: 689: 675: 659: 645: 625: 612:978-1584888666 611: 598: 584: 560: 559: 509: 508: 506: 503: 502: 501: 496: 491: 484: 481: 477:quasi-complete 453: 450: 438:semi-reflexive 429: 426: 379: 376: 361: 357: 339:is said to be 326: 322: 309: 306: 291: 287: 269:is said to be 256: 252: 239: 236: 217:locally convex 199: 195: 172: 168: 156:equicontinuous 141: 137: 110: 106: 102: 97: 93: 79:is said to be 66: 62: 45: 42: 30:equicontinuous 13: 10: 9: 6: 4: 3: 2: 1456: 1445: 1442: 1441: 1439: 1424: 1416: 1415: 1412: 1406: 1403: 1401: 1398: 1396: 1393: 1391: 1387: 1383: 1381:) convex 1380: 1377: 1375: 1372: 1370: 1366: 1364: 1361: 1359: 1356: 1354: 1353:Semi-complete 1351: 1349: 1346: 1344: 1341: 1339: 1335: 1332: 1330: 1326: 1324: 1321: 1319: 1316: 1314: 1311: 1309: 1306: 1304: 1301: 1299: 1296: 1294: 1291: 1289: 1286: 1284: 1281: 1279: 1276: 1274: 1271: 1269: 1268:Infrabarreled 1266: 1264: 1261: 1259: 1256: 1252: 1249: 1248: 1247: 1244: 1242: 1239: 1237: 1234: 1232: 1229: 1227: 1226:Distinguished 1224: 1222: 1219: 1217: 1214: 1212: 1209: 1207: 1204: 1202: 1198: 1194: 1192: 1189: 1187: 1183: 1179: 1177: 1174: 1172: 1169: 1167: 1164: 1163: 1161: 1159:Types of TVSs 1157: 1151: 1147: 1143: 1141: 1138: 1136: 1133: 1131: 1128: 1126: 1123: 1121: 1117: 1113: 1111: 1108: 1107: 1105: 1101: 1095: 1092: 1090: 1087: 1085: 1082: 1080: 1079:Prevalent/Shy 1077: 1075: 1072: 1070: 1069:Extreme point 1067: 1065: 1059: 1057: 1051: 1049: 1046: 1044: 1041: 1039: 1036: 1034: 1031: 1029: 1026: 1024: 1021: 1019: 1016: 1014: 1011: 1009: 1006: 1005: 1003: 1001:Types of sets 999: 993: 990: 988: 985: 983: 980: 978: 975: 971: 968: 966: 963: 961: 958: 957: 956: 953: 951: 948: 944: 943:Discontinuous 941: 939: 936: 934: 931: 929: 926: 924: 921: 919: 916: 914: 911: 910: 909: 906: 902: 899: 898: 897: 894: 893: 891: 887: 881: 878: 874: 871: 870: 869: 866: 863: 860: 858: 854: 851: 849: 846: 844: 841: 839: 836: 834: 831: 830: 828: 826: 822: 816: 813: 811: 808: 806: 803: 801: 800:Metrizability 798: 796: 793: 791: 788: 786: 785:FrĂ©chet space 783: 781: 778: 776: 773: 771: 768: 766: 763: 762: 760: 756: 751: 744: 739: 737: 732: 730: 725: 724: 721: 713: 709: 705: 703:3-540-09513-6 699: 695: 692:Wong (1979). 690: 686: 682: 678: 672: 668: 664: 660: 656: 652: 648: 642: 638: 634: 630: 626: 622: 618: 614: 608: 604: 599: 595: 591: 587: 581: 577: 573: 569: 564: 563: 556: 551: 549: 547: 545: 543: 541: 539: 537: 535: 533: 531: 529: 527: 525: 523: 521: 519: 517: 515: 511: 504: 500: 497: 495: 492: 490: 487: 486: 482: 480: 478: 474: 470: 469:Mackey spaces 466: 462: 459: 451: 449: 447: 443: 439: 435: 427: 425: 423: 419: 414: 412: 407: 405: 401: 397: 393: 389: 385: 377: 375: 355: 346: 342: 320: 307: 305: 285: 276: 272: 250: 237: 235: 233: 230: 226: 222: 218: 215: 193: 166: 157: 135: 126: 104: 100: 91: 82: 60: 51: 43: 41: 39: 35: 31: 27: 23: 19: 1329:Polynomially 1258:Grothendieck 1251:tame FrĂ©chet 1201:Bornological 1181: 1061:Linear cone 1053:Convex cone 1028:Banach disks 970:Sesquilinear 825:Main results 815:Vector space 770:Completeness 765:Banach space 693: 666: 632: 602: 567: 455: 431: 415: 408: 381: 340: 311: 270: 241: 224: 80: 49: 47: 25: 15: 1323:Quasinormed 1236:FK-AK space 1130:Linear span 1125:Convex hull 1110:Affine hull 913:Almost open 853:Hahn–Banach 442:strong dual 271:σ-barrelled 158:subsets of 1363:Stereotype 1221:(DF)-space 1216:Convenient 955:Functional 923:Continuous 908:Linear map 848:F. Riesz's 790:Linear map 505:References 378:Properties 44:Definition 1379:Uniformly 1338:Reflexive 1186:Barrelled 1182:Countably 1094:Symmetric 992:Transpose 685:853623322 665:(2006) . 655:840278135 621:144216834 461:DF-spaces 360:′ 343:if every 325:′ 290:′ 273:if every 255:′ 214:Hausdorff 198:′ 171:′ 140:′ 109:′ 101:⊆ 96:′ 65:′ 1438:Category 1423:Category 1374:Strictly 1348:Schwartz 1288:LF-space 1283:LB-space 1241:FK-space 1211:Complete 1191:BK-space 1116:Relative 1063:(subset) 1055:(subset) 982:Seminorm 965:Bilinear 483:See also 394:, and a 232:balanced 1388:)  1336:)  1278:K-space 1263:Hilbert 1246:FrĂ©chet 1231:F-space 1206:Brauner 1199:)  1184:)  1166:Asplund 1148:)  1118:)  1038:Bounded 933:Compact 918:Bounded 855: ( 712:5126158 594:8588370 494:H-space 400:H-space 185:, then 1400:Webbed 1386:Quasi- 1308:Montel 1298:Mackey 1197:Ultra- 1176:Banach 1084:Radial 1048:Convex 1018:Affine 960:Linear 928:Closed 752:(TVSs) 710:  700:  683:  673:  653:  643:  619:  609:  592:  582:  458:normed 432:Every 345:weak-* 275:weak-* 229:convex 221:barrel 125:weak-* 48:A TVS 1358:Smith 1343:Riesz 1334:Semi- 1146:Quasi 1140:Polar 444:of a 398:. An 123:is a 977:Norm 901:form 889:Maps 708:OCLC 698:ISBN 681:OCLC 671:ISBN 651:OCLC 641:ISBN 617:OCLC 607:ISBN 590:OCLC 580:ISBN 390:, a 386:, a 20:, a 637:GTM 223:in 83:if 40:. 16:In 1440:: 706:. 679:. 649:. 635:. 615:. 588:. 578:. 570:. 513:^ 424:. 413:. 1384:( 1369:B 1367:( 1327:( 1195:( 1180:( 1144:( 1114:( 864:) 742:e 735:t 728:v 714:. 687:. 657:. 623:. 596:. 356:X 321:X 286:X 251:X 225:X 194:B 167:X 136:X 105:X 92:B 61:X 50:X

Index

functional analysis
topological vector space
equicontinuous
continuous dual space
barrelled spaces
weak-*
equicontinuous
Hausdorff
locally convex
barrel
convex
balanced
weak-*
weak-*
countably quasibarrelled space
σ-barrelled space
σ-quasi-barrelled space
sequentially barrelled space
H-space
strong dual space
σ-quasi-barrelled space
quasi-barrelled space
barrelled space
barrelled space
semi-reflexive
strong dual
distinguished space
normed
DF-spaces
quasi-barrelled space

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