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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: 10,315
    March 8th, 2012, 20:05 Go to last post
  1. Normal Thread Normal Threads

  2. Field extensions and Galois goup

    Started by mathmari, January 12th, 2017 15:51
    • Replies: 1
    • Views: 54
    Yesterday, 20:04 Go to last post
  3. Vector space isomorphism

    Started by mathmari, January 19th, 2017 08:46
    $phi, $v$, mathbbr[x], space, vector
    • Replies: 1
    • Views: 55
    January 19th, 2017, 21:27 Go to last post
  4. Injective linear mapping - image

    Started by mathmari, January 19th, 2017 06:21
    $dim, $f$, imf=dim, injective, mapping
    • Replies: 2
    • Views: 50
    January 19th, 2017, 14:16 Go to last post
  5. Linear mapping

    Started by mathmari, January 10th, 2017 06:39
    2 Pages
    1 2
    $fneq, $m$, holds, linear, matrix
    • Replies: 10
    • Views: 209
    January 15th, 2017, 13:21 Go to last post
  6. Pointwise and uniform convergence

    Started by mathmari, January 13th, 2017 16:05
    $xin, forall, mathbbr, pointwise, sequence
    • Replies: 5
    • Views: 114
    January 14th, 2017, 22:38 Go to last post
  7. Invertible Matrix

    Started by Yankel, January 14th, 2017 17:12
    find, invertible, matrix, solution, [a^3-2a^2=-i]
    • Replies: 3
    • Views: 71
    January 14th, 2017, 17:54 Go to last post
  8. Diagonalizable Matrix

    Started by Yankel, January 14th, 2017 17:01
    a=6, diagonalizable, eigenvalues, find, matrix
    • Replies: 3
    • Views: 75
    January 14th, 2017, 17:45 Go to last post
  9. Matrix of transformation

    Started by Mathick, January 12th, 2017 20:33
    basis, linear mapping, matrix, r[x]3, show
    • Replies: 1
    • Views: 77
    January 13th, 2017, 05:20 Go to last post
  10. Intuition on Integral Over

    Started by MaryAnn, January 11th, 2017 11:20
    $a$, $b$, definition, integral, write
    • Replies: 2
    • Views: 103
    January 12th, 2017, 21:05 Go to last post
  11. [SOLVED] Contour line and gradient

    Started by mathmari, January 10th, 2017 20:26
    contour, draw, rightarrow, text, und
    • Replies: 8
    • Views: 149
    January 11th, 2017, 04:44 Go to last post
  12. [SOLVED] Inequality of the rank matrices

    Started by mathmari, January 2nd, 2017 13:29
    $textrankableq, inequality, linear, show, wondering
    • Replies: 8
    • Views: 169
    January 8th, 2017, 11:34 Go to last post
  13. Jacobson Radical and Rad(M) - Bland Corollary 6.1.3 ...

    Started by Peter, January 1st, 2017 00:42
    • Replies: 7
    • Views: 142
    January 4th, 2017, 21:44 Go to last post
  14. Determining a determinant using recurrence relations

    Started by karseme, January 4th, 2017 09:23
    $startvmatrix2, cdots, determinant, quad, vdots
    • Replies: 1
    • Views: 84
    January 4th, 2017, 15:26 Go to last post
  15. Show that E/Q is normal

    Started by mathmari, December 30th, 2016 18:23
    compute, irreducible, normal, polynomial, show
    • Replies: 1
    • Views: 83
    January 1st, 2017, 11:30 Go to last post
  16. Finitely Generated Modules and Maximal Submodules

    Started by Peter, December 31st, 2016 02:14
    • Replies: 2
    • Views: 71
    January 1st, 2017, 00:53 Go to last post
  17. Why is this polynomial separable?

    Started by mathmari, December 29th, 2016 12:19
    2 Pages
    1 2
    $f$, $pm, polynomial, roots, separable
    • Replies: 10
    • Views: 174
    December 30th, 2016, 16:29 Go to last post
  18. [SOLVED] Showing that P_3 is a subspace to P_n

    Started by Cbarker1, December 28th, 2016 22:57
    $$p_3$$, proof, show, start, subspace
    • Replies: 6
    • Views: 120
    December 29th, 2016, 09:42 Go to last post
  19. Eisenstein polynomial and field extension

    Started by mathmari, October 7th, 2016 04:33
    3 Pages
    1 2 3
    $fx$, $fx+1$, extension, irreducible, wondering
    • Replies: 24
    • Views: 701
    December 29th, 2016, 08:27 Go to last post
  20. t is algebraic over F(S)

    Started by mathmari, December 18th, 2016 17:56
    $f$, algebraically, independent, ldots, show
    • Replies: 5
    • Views: 145
    December 29th, 2016, 07:08 Go to last post
  21. [SOLVED] Why does this hold when we have the zero matrix?

    Started by mathmari, December 13th, 2016 08:26
    $lambda, mathbbr^2times, matrix, show, x_1b=lambda
    • Replies: 7
    • Views: 190
    December 19th, 2016, 08:56 Go to last post
  22. E/F is an extension with radicals of order n

    Started by mathmari, December 16th, 2016 18:51
    • Replies: 0
    • Views: 55
    December 16th, 2016, 18:51 Go to last post
  23. Basis and dimension

    Started by mathmari, December 12th, 2016 22:57
    basis, beginpmatrix, dimension, endpmatrix, wondering
    • Replies: 5
    • Views: 130
    December 14th, 2016, 06:30 Go to last post
  24. [SOLVED] Exponent of group

    Started by mathmari, December 12th, 2016 13:06
    $g$, $textexpg$, $|g|$, exponent, group
    • Replies: 6
    • Views: 161
    December 13th, 2016, 06:14 Go to last post
  25. [SOLVED] Extend the vectors to a basis

    Started by mathmari, December 9th, 2016 05:42
    beginpmatrix, extend, independent, linearly, vectors
    • Replies: 4
    • Views: 120
    December 10th, 2016, 17:45 Go to last post
  26. Determine the vectors of components

    Started by mathmari, December 9th, 2016 21:51
    components, determine, vectors, x^2, x^3
    • Replies: 1
    • Views: 76
    December 10th, 2016, 05:40 Go to last post
  27. Vector space question

    Started by LearnerJr, December 9th, 2016 00:18
    • Replies: 3
    • Views: 124
    December 9th, 2016, 22:23 Go to last post
  28. The rank of a 4 x 6 matrix

    Started by MaryAnn, December 8th, 2016 17:47
    &-1, &-2, &18, &27, matrix
    • Replies: 2
    • Views: 110
    December 9th, 2016, 09:40 Go to last post
  29. Find the General Expression for a Linear Transformation

    Started by Leanna, December 8th, 2016 18:28
    • Replies: 4
    • Views: 133
    December 8th, 2016, 22:24 Go to last post
    • Replies: 3
    • Views: 121
    December 7th, 2016, 01:04 Go to last post

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