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Forum: Linear and Abstract Algebra

Linear Systems of Equations, Eigenvalues and Eigenvectors, Vector Spaces, Groups, Rings, Fields

  1. Sticky Thread Sticky Threads

  2. Sticky Thread Linear Algebra Proofs and Problems

    Started by dwsmith, March 7th, 2012 21:33
    • Replies: 1
    • Views: 10,869
    March 8th, 2012, 20:05 Go to last post
  1. Normal Thread Normal Threads

  2. Induction to find the determinant

    Started by mathmari, January 31st, 2017 15:33
    determinant, holds, induction, matrix, prove
    • Replies: 2
    • Views: 197
    February 10th, 2017, 23:19 Go to last post
  3. [SOLVED] Determinant

    Started by mathmari, January 30th, 2017 15:12
    a_1, a_2, a_n, determinant, ldots
    • Replies: 5
    • Views: 246
    January 31st, 2017, 15:32 Go to last post
  4. The extension KE/F is finite and separable

    Started by mathmari, January 29th, 2017 11:23
    $f$, algebraic, extension, finite, separable
    • Replies: 0
    • Views: 120
    January 29th, 2017, 11:23 Go to last post
  5. Equivalent statements

    Started by mathmari, January 24th, 2017 21:22
    2 Pages
    1 2
    $phi, ker, phi, rightarrow, statements
    • Replies: 10
    • Views: 551
    January 28th, 2017, 07:58 Go to last post
  6. [SOLVED] Is the mapping bijective?

    Started by mathmari, January 26th, 2017 20:24
    $phi, basis, c_2, c_3$, phi
    • Replies: 7
    • Views: 375
    January 28th, 2017, 07:03 Go to last post
    • Replies: 4
    • Views: 265
    January 25th, 2017, 00:34 Go to last post
  7. B spans algebraically E over F

    Started by mathmari, January 23rd, 2017 11:03
    $f$, algebraically, show, text, trancendental
    • Replies: 1
    • Views: 130
    January 24th, 2017, 16:32 Go to last post
  8. [SOLVED] Exponent of group

    Started by mathmari, December 12th, 2016 13:06
    2 Pages
    1 2
    $g$, $textexpg$, $|g|$, exponent, group
    • Replies: 16
    • Views: 776
    January 24th, 2017, 14:23 Go to last post
  9. Degree of field extension

    Started by mathmari, January 23rd, 2017 14:46
    $$[mathbbq[sqrt3, $[mathbbq[sqrt3, mathbbq]=[mathbbq[sqrt3, rho], wondering
    • Replies: 0
    • Views: 102
    January 23rd, 2017, 14:46 Go to last post
  10. [SOLVED] It is an algebraically dependent set over F

    Started by mathmari, January 22nd, 2017 18:49
    $f$, $s_1, ldots, show, s_r
    • Replies: 4
    • Views: 216
    January 23rd, 2017, 11:01 Go to last post
  11. Degree of transcendental basis

    Started by mathmari, January 23rd, 2017 05:33
    $e/f$, basis, b_2$, extensions, transcendental
    • Replies: 0
    • Views: 96
    January 23rd, 2017, 05:33 Go to last post
  12. Field extensions and Galois goup

    Started by mathmari, January 12th, 2017 15:51
    • Replies: 2
    • Views: 187
    January 21st, 2017, 20:52 Go to last post
  13. Diagonalizable Matrix

    Started by Yankel, January 14th, 2017 17:01
    a=6, diagonalizable, eigenvalues, find, matrix
    • Replies: 4
    • Views: 252
    January 21st, 2017, 19:15 Go to last post
  14. Vector space isomorphism

    Started by mathmari, January 19th, 2017 08:46
    $phi, $v$, mathbbr[x], space, vector
    • Replies: 1
    • Views: 158
    January 19th, 2017, 21:27 Go to last post
  15. Injective linear mapping - image

    Started by mathmari, January 19th, 2017 06:21
    $dim, $f$, imf=dim, injective, mapping
    • Replies: 2
    • Views: 146
    January 19th, 2017, 14:16 Go to last post
  16. Linear mapping

    Started by mathmari, January 10th, 2017 06:39
    2 Pages
    1 2
    $fneq, $m$, holds, linear, matrix
    • Replies: 10
    • Views: 616
    January 15th, 2017, 13:21 Go to last post
  17. Pointwise and uniform convergence

    Started by mathmari, January 13th, 2017 16:05
    $xin, forall, mathbbr, pointwise, sequence
    • Replies: 5
    • Views: 300
    January 14th, 2017, 22:38 Go to last post
  18. Invertible Matrix

    Started by Yankel, January 14th, 2017 17:12
    find, invertible, matrix, solution, [a^3-2a^2=-i]
    • Replies: 3
    • Views: 173
    January 14th, 2017, 17:54 Go to last post
  19. Matrix of transformation

    Started by Mathick, January 12th, 2017 20:33
    basis, linear mapping, matrix, r[x]3, show
    • Replies: 1
    • Views: 159
    January 13th, 2017, 05:20 Go to last post
  20. Intuition on Integral Over

    Started by MaryAnn, January 11th, 2017 11:20
    $a$, $b$, definition, integral, write
    • Replies: 2
    • Views: 249
    January 12th, 2017, 21:05 Go to last post
  21. [SOLVED] Contour line and gradient

    Started by mathmari, January 10th, 2017 20:26
    contour, draw, rightarrow, text, und
    • Replies: 8
    • Views: 453
    January 11th, 2017, 04:44 Go to last post
  22. [SOLVED] Inequality of the rank matrices

    Started by mathmari, January 2nd, 2017 13:29
    $textrankableq, inequality, linear, show, wondering
    • Replies: 8
    • Views: 435
    January 8th, 2017, 11:34 Go to last post
  23. Jacobson Radical and Rad(M) - Bland Corollary 6.1.3 ...

    Started by Peter, January 1st, 2017 00:42
    • Replies: 7
    • Views: 379
    January 4th, 2017, 21:44 Go to last post
  24. Determining a determinant using recurrence relations

    Started by karseme, January 4th, 2017 09:23
    $startvmatrix2, cdots, determinant, quad, vdots
    • Replies: 1
    • Views: 169
    January 4th, 2017, 15:26 Go to last post
  25. Show that E/Q is normal

    Started by mathmari, December 30th, 2016 18:23
    compute, irreducible, normal, polynomial, show
    • Replies: 1
    • Views: 156
    January 1st, 2017, 11:30 Go to last post
  26. Finitely Generated Modules and Maximal Submodules

    Started by Peter, December 31st, 2016 02:14
    • Replies: 2
    • Views: 177
    January 1st, 2017, 00:53 Go to last post

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