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Forum: Analysis

Real, Complex, and Functional Analysis

  1. Sticky Thread Sticky Threads

  2. Sticky Thread Discussions on the convergence of integrals and series

    Started by ZaidAlyafey, May 13th, 2013 16:56
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 6,039
    May 31st, 2014, 20:49 Go to last post
  1. Normal Thread Normal Threads

  2. [SOLVED] Prove or disaprove the statements

    Started by mathmari, January 2nd, 2017 17:44
    2 Pages
    1 2
    $a$, $rightarrow$, bounded, closed, continuous
    • Replies: 13
    • Views: 789
    January 9th, 2017, 06:14 Go to last post
  3. [SOLVED] How could we show that D is bounded and closed?

    Started by mathmari, January 3rd, 2017 18:00
    $d$, $f$, bounded, compact, show
    • Replies: 4
    • Views: 341
    January 8th, 2017, 06:06 Go to last post
  4. Radius of convergence

    Started by mathmari, December 4th, 2016 03:54
    convergence, converges, radius, series, wondering
    • Replies: 3
    • Views: 417
    December 26th, 2016, 16:06 Go to last post
  5. Is there a non-constant polynomial such that....

    Started by karseme, December 5th, 2016 08:59
    decreasing, determine, fact, function, polynomial
    • Replies: 3
    • Views: 335
    December 6th, 2016, 12:27 Go to last post
  6. Limit of sequence

    Started by mathmari, November 20th, 2016 08:43
    $a_n_n=1^infty$, converges, limit, sequence, subsequence
    • Replies: 3
    • Views: 272
    November 20th, 2016, 14:38 Go to last post
  7. [SOLVED] Limit points, limsup και liminf

    Started by mathmari, November 20th, 2016 08:51
    $liminf, find, limit, lim_krightarrow, points
    • Replies: 4
    • Views: 346
    November 20th, 2016, 14:09 Go to last post
  8. Prove that f(x)=cos(narccos(x)) is polynomial

    Started by karseme, November 5th, 2016 03:42
    arccosx, arccosxsin, cdot, mathbbn, step
    • Replies: 4
    • Views: 566
    November 9th, 2016, 15:16 Go to last post
  9. Equivalence of the statements

    Started by Mathick, November 3rd, 2016 20:15
    $left|, exists, quad, right|, x_n
    • Replies: 3
    • Views: 329
    November 5th, 2016, 02:51 Go to last post
  10. Prove that Q is not a finite set

    Started by issacnewton, October 27th, 2016 14:23
    $i_n$, $mathbbq$, finite, mathbbq$, set
    • Replies: 2
    • Views: 348
    October 29th, 2016, 07:05 Go to last post
  11. Evaluating a complex integral

    Started by brunette15, October 20th, 2016 02:17
    algebra, integral, parametrise, start, terms
    • Replies: 2
    • Views: 289
    October 21st, 2016, 09:24 Go to last post
  12. sup C = sup A + sup B ?

    Started by Alexmahone, October 19th, 2016 09:59
    $$c=x+yxin, $sup, b$$, find, yin
    • Replies: 1
    • Views: 253
    October 19th, 2016, 11:07 Go to last post
  13. How do I complete this convergence proof?

    Started by Alexmahone, October 9th, 2016 18:23
    cauchy, converges, original, sequence, subsequence
    • Replies: 1
    • Views: 266
    October 9th, 2016, 20:12 Go to last post
  14. Extreme points of L^p[0,1] on unit closed ball

    Started by Kokuhaku, September 22nd, 2016 05:51
    $l^p[0, 1]$, closed, extreme points, unit ball
    • Replies: 2
    • Views: 299
    September 23rd, 2016, 08:23 Go to last post
  15. operator form of integro-differential equation

    Started by sarrah, September 19th, 2016 00:41
    $psix=fx+int_a^b, equation, form, integral, spsids$
    • Replies: 2
    • Views: 312
    September 19th, 2016, 11:26 Go to last post
  16. Test for Cauchy sequence (with limsup and log)

    Started by Kokuhaku, September 11th, 2016 14:47
    $limsup_n, log, real, sequence, |x_n+1-x_n|
    • Replies: 5
    • Views: 522
    September 12th, 2016, 12:23 Go to last post
  17. [SOLVED] about showing a function : not unbounded on B

    Started by bw0young0math, August 14th, 2016 10:06
    arbitrary, bounded, included, open, problem
    • Replies: 4
    • Views: 655
    August 22nd, 2016, 22:54 Go to last post
  18. Fourier transform

    Started by lucad93, January 20th, 2016 05:57
    crashed, fantasy, fourier, sinleft2pi, transform
    • Replies: 2
    • Views: 712
    August 12th, 2016, 08:35 Go to last post
  19. Sigma Algebra

    Started by Arenholt, June 24th, 2016 02:21
    • Replies: 3
    • Views: 625
    June 24th, 2016, 12:33 Go to last post
  20. Need help with this definite integral

    Started by jazhemar, May 24th, 2016 08:18
    complex integration, contour integration, improper integral, integral, integration
    • Replies: 3
    • Views: 601
    May 24th, 2016, 12:58 Go to last post
  21. Integrating by an other variable

    Started by evinda, May 23rd, 2016 17:48
    • Replies: 0
    • Views: 307
    May 23rd, 2016, 17:48 Go to last post
  22. Show embedding

    Started by evinda, May 5th, 2016 10:49
    $forall, embedding, l_p$, show, w^1
    • Replies: 2
    • Views: 459
    May 7th, 2016, 07:02 Go to last post
  23. Convergence limit explanation

    Started by amr21, April 28th, 2016 13:01
    • Replies: 2
    • Views: 500
    April 29th, 2016, 01:09 Go to last post
  24. Distribution - inequality

    Started by evinda, April 26th, 2016 15:49
    lambda, leq, phi_lambda, sum_|a|, ||partial^a
    • Replies: 0
    • Views: 381
    April 26th, 2016, 15:49 Go to last post
  25. Existence of constants

    Started by evinda, April 15th, 2016 17:13
    2 Pages
    1 2
    $$sum_|a|, constants, leq, |xi^a|^2, |xi|^2^m
    • Replies: 14
    • Views: 1,314
    April 17th, 2016, 14:05 Go to last post
  26. The function is 0 almost everywhere

    Started by evinda, April 17th, 2016 08:22
    d_x_i, epsilon, int_bx, psi_epsilonx-y, show
    • Replies: 0
    • Views: 354
    April 17th, 2016, 08:22 Go to last post
  27. Value of integral

    Started by evinda, April 4th, 2016 10:35
    $|x|=sqrtx_1^2+, function, hold, ln|x|, x_2^2$
    • Replies: 4
    • Views: 646
    April 11th, 2016, 13:24 Go to last post
  28. conjecture

    Started by sarrah, April 8th, 2016 02:45
    $y=f+lambdaky$, form, operator, written, ||k||
    • Replies: 0
    • Views: 434
    April 8th, 2016, 02:45 Go to last post

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