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Fubini's theorem on differentiation

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359: 209: 437: 130: 78: 273: 241: 281: 498: 142: 493: 382: 94: 55: 81: 249: 217: 8: 376: 133: 33: 244: 37: 85: 487: 25: 21: 375:, in order to get the same conclusion, we need a stricter condition like 29: 41: 385: 354:{\displaystyle s'(x)=\sum _{k=1}^{\infty }f_{k}'(x).} 284: 252: 220: 145: 97: 58: 204:{\displaystyle s(x):=\sum _{k=1}^{\infty }f_{k}(x)} 465:, Jones and Bartlett publishers, pp. 527–529. 431: 353: 267: 235: 203: 124: 72: 485: 275:the derivatives exist and are related as: 118: 66: 432:{\displaystyle \sum _{k=1}^{n}f_{k}'(x)} 463:Lebesgue Integration on Euclidean Space 125:{\displaystyle f_{k}:I\to \mathbb {R} } 73:{\displaystyle I\subseteq \mathbb {R} } 486: 476:Principles of Mathematical Analysis 457: 455: 18:Fubini's theorem on differentiation 13: 321: 177: 14: 510: 452: 364:In general, if we don't suppose 468: 426: 420: 345: 339: 299: 293: 198: 192: 155: 149: 114: 1: 446: 47: 36:. It can be proven by using 7: 478:, McGraw-Hill, p. 152. 10: 515: 499:Theorems in measure theory 494:Theorems in real analysis 371:is increasing for every 268:{\displaystyle x\in I,} 236:{\displaystyle x\in I,} 474:Rudin, Walter (1976), 433: 406: 355: 325: 269: 237: 205: 181: 126: 74: 40:and the properties of 461:Jones, Frank (2001), 434: 386: 356: 305: 270: 238: 206: 161: 127: 75: 383: 282: 250: 218: 143: 95: 56: 419: 377:uniform convergence 338: 134:increasing function 84:and that for every 34:monotonic functions 429: 407: 351: 326: 265: 233: 201: 122: 70: 24:, is a result in 506: 479: 472: 466: 459: 438: 436: 435: 430: 415: 405: 400: 360: 358: 357: 352: 334: 324: 319: 292: 274: 272: 271: 266: 242: 240: 239: 234: 210: 208: 207: 202: 191: 190: 180: 175: 131: 129: 128: 123: 121: 107: 106: 79: 77: 76: 71: 69: 16:In mathematics, 514: 513: 509: 508: 507: 505: 504: 503: 484: 483: 482: 473: 469: 460: 453: 449: 411: 401: 390: 384: 381: 380: 369: 330: 320: 309: 285: 283: 280: 279: 251: 248: 247: 219: 216: 215: 214:exists for all 186: 182: 176: 165: 144: 141: 140: 117: 102: 98: 96: 93: 92: 65: 57: 54: 53: 50: 30:differentiation 28:concerning the 12: 11: 5: 512: 502: 501: 496: 481: 480: 467: 450: 448: 445: 428: 425: 422: 418: 414: 410: 404: 399: 396: 393: 389: 367: 362: 361: 350: 347: 344: 341: 337: 333: 329: 323: 318: 315: 312: 308: 304: 301: 298: 295: 291: 288: 264: 261: 258: 255: 232: 229: 226: 223: 212: 211: 200: 197: 194: 189: 185: 179: 174: 171: 168: 164: 160: 157: 154: 151: 148: 120: 116: 113: 110: 105: 101: 86:natural number 68: 64: 61: 49: 46: 20:, named after 9: 6: 4: 3: 2: 511: 500: 497: 495: 492: 491: 489: 477: 471: 464: 458: 456: 451: 444: 443:for every n. 442: 423: 416: 412: 408: 402: 397: 394: 391: 387: 378: 374: 370: 348: 342: 335: 331: 327: 316: 313: 310: 306: 302: 296: 289: 286: 278: 277: 276: 262: 259: 256: 253: 246: 230: 227: 224: 221: 195: 187: 183: 172: 169: 166: 162: 158: 152: 146: 139: 138: 137: 135: 111: 108: 103: 99: 90: 87: 83: 62: 59: 45: 43: 39: 38:Fatou's lemma 35: 32:of series of 31: 27: 26:real analysis 23: 19: 475: 470: 462: 440: 372: 365: 363: 213: 88: 51: 22:Guido Fubini 17: 15: 488:Categories 447:References 245:almost any 388:∑ 322:∞ 307:∑ 257:∈ 243:then for 225:∈ 178:∞ 163:∑ 115:→ 63:⊆ 48:Statement 42:null sets 439:on  417:′ 336:′ 290:′ 82:interval 136:. If, 52:Assume 132:is an 80:is an 379:of 490:: 454:^ 159::= 91:, 44:. 441:I 427:) 424:x 421:( 413:k 409:f 403:n 398:1 395:= 392:k 373:k 368:k 366:f 349:. 346:) 343:x 340:( 332:k 328:f 317:1 314:= 311:k 303:= 300:) 297:x 294:( 287:s 263:, 260:I 254:x 231:, 228:I 222:x 199:) 196:x 193:( 188:k 184:f 173:1 170:= 167:k 156:) 153:x 150:( 147:s 119:R 112:I 109:: 104:k 100:f 89:k 67:R 60:I

Index

Guido Fubini
real analysis
differentiation
monotonic functions
Fatou's lemma
null sets
interval
natural number
increasing function
almost any
uniform convergence


Categories
Theorems in real analysis
Theorems in measure theory

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