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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: 10,324
    March 8th, 2012, 20:05 Go to last post
  1. Normal Thread Normal Threads

  2. Finite Dimensional Division Algebras - Bresar Lemma 1.1

    Started by Peter, November 16th, 2016 23:40
    • Replies: 2
    • Views: 113
    November 17th, 2016, 22:07 Go to last post
  3. [SOLVED] The matrix is idempotent

    Started by mathmari, November 9th, 2016 12:17
    =i_m-xx^tx^-1x^t, correct, idempotent, matrix, wondering
    • Replies: 2
    • Views: 110
    November 12th, 2016, 15:16 Go to last post
  4. [SOLVED] Give the system of equations

    Started by mathmari, November 11th, 2016 04:40
    2 Pages
    1 2
    alluminium, give, produced, system, zinc
    • Replies: 12
    • Views: 305
    November 12th, 2016, 14:51 Go to last post
  5. Index of Positivity

    Started by MaryAnn, November 10th, 2016 16:00
    correct, form, index, mathbb, solution
    • Replies: 2
    • Views: 121
    November 11th, 2016, 19:32 Go to last post
  6. Give a basis of the subspace

    Started by mathmari, November 10th, 2016 21:31
    basis, give, spanned, subspace, vectors
    • Replies: 2
    • Views: 108
    November 11th, 2016, 09:28 Go to last post
  7. Dirac Functionals

    Started by MaryAnn, November 3rd, 2016 16:27
    $sin, cos, functionals, problem, set
    • Replies: 8
    • Views: 335
    November 10th, 2016, 15:28 Go to last post
  8. [SOLVED] Can the vectors be written as a linear combination?

    Started by mathmari, November 7th, 2016 06:37
    beginbmatrix, beginmatrix, endmatrix, endmatrixleft|beginmatrix, vectors
    • Replies: 5
    • Views: 175
    November 9th, 2016, 16:55 Go to last post
  9. What does this relation hold?

    Started by mathmari, October 20th, 2016 16:21
    2 Pages
    1 2
    $2-a^2$, $f$, degree, root, term
    • Replies: 13
    • Views: 404
    November 8th, 2016, 20:36 Go to last post
  10. Show that the mapping is surjective

    Started by mathmari, October 27th, 2016 16:35
    $c$, $f$, $tau, algebraic, field
    • Replies: 2
    • Views: 167
    November 5th, 2016, 12:42 Go to last post
  11. [SOLVED] Galois extension - Statement

    Started by mathmari, October 26th, 2016 18:24
    $e/f$, extension, galois, separable, show
    • Replies: 4
    • Views: 170
    November 5th, 2016, 12:34 Go to last post
  12. [SOLVED] Geometrical description

    Started by mathmari, October 31st, 2016 09:08
    $-4, -3$, orthogonal, vector, vectors
    • Replies: 2
    • Views: 111
    November 5th, 2016, 12:32 Go to last post
  13. Proving Linear Independence

    Started by MaryAnn, November 1st, 2016 15:53
    c_nv_n, linearly, product, scalar, vectors
    • Replies: 6
    • Views: 248
    November 3rd, 2016, 16:02 Go to last post
  14. Extension of degree 2 is normal

    Started by mathmari, October 20th, 2016 12:35
    $ain, $deg, $k$, extension, normal
    • Replies: 1
    • Views: 120
    October 30th, 2016, 16:55 Go to last post
  15. Proving the rank of matrix

    Started by MaryAnn, October 28th, 2016 23:39
    diagonal, entries, main, matrix, rank
    • Replies: 2
    • Views: 152
    October 29th, 2016, 12:24 Go to last post
  16. Artinian Modules - Bland - Proposition 4.24

    Started by Peter, October 29th, 2016 01:34
    • Replies: 0
    • Views: 89
    October 29th, 2016, 01:34 Go to last post
    • Replies: 2
    • Views: 152
    October 28th, 2016, 22:14 Go to last post
  17. Proving Scalar Product

    Started by Tarrant, October 27th, 2016 18:08
    $langle, product, prove, scalar, xrangle
    • Replies: 1
    • Views: 105
    October 27th, 2016, 23:07 Go to last post
    • Replies: 5
    • Views: 269
    October 26th, 2016, 00:49 Go to last post
  18. Question for null space of a matrix

    Started by shiecldk, October 24th, 2016 12:58
    ax=c, linear, matrix, solutions, system
    • Replies: 1
    • Views: 108
    October 24th, 2016, 15:23 Go to last post
  19. The irreducible polynomial is not separable

    Started by mathmari, October 22nd, 2016 17:14
    $t$, irreducible, polynomial, show, wondering
    • Replies: 1
    • Views: 105
    October 23rd, 2016, 12:41 Go to last post
  20. The gram-schmidt process

    Started by nedf, October 22nd, 2016 11:12
    result, solution, wolframalpha, wrong, x2.v1/v1.v1
    • Replies: 3
    • Views: 133
    October 23rd, 2016, 07:07 Go to last post
  21. Finding a 3rd polynomial to create a basis.

    Started by Harambe, October 19th, 2016 11:17
    3rd, polynomial, problem, struggling, u1=3t^2
    • Replies: 1
    • Views: 95
    October 20th, 2016, 16:34 Go to last post
  22. Algebraic closure

    Started by mathmari, October 19th, 2016 16:44
    $c$, $f$, algebraic, closure, polynomial
    • Replies: 0
    • Views: 94
    October 19th, 2016, 16:44 Go to last post
  23. [SOLVED] Splitting field of g

    Started by mathmari, October 5th, 2016 05:09
    2 Pages
    1 2
    $f$, field, f[x]$, non-constant, splitting
    • Replies: 16
    • Views: 515
    October 19th, 2016, 16:41 Go to last post
  24. Linear Algebra

    Started by mahmoud shaaban, October 16th, 2016 15:40
    algebra, find, solve, |3a|=81, |b^-|
    • Replies: 3
    • Views: 153
    October 16th, 2016, 18:38 Go to last post

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