Facebook Page
Twitter
RSS
+ Post New Thread
Page 3 of 53 FirstFirst 1234513 ... LastLast
Threads 61 to 90 of 1581

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: 10,395
    March 8th, 2012, 20:05 Go to last post
  1. Normal Thread Normal Threads

  2. gH=Hg?

    Started by Alexmahone, November 20th, 2016 19:53
    $g$, $gh=hg$, $h$, hin, suppose
    • Replies: 4
    • Views: 225
    November 28th, 2016, 13:05 Go to last post
  3. First Weyl Algebras ... A_1 ...

    Started by Peter, November 27th, 2016 08:46
    • Replies: 2
    • Views: 140
    November 27th, 2016, 23:32 Go to last post
  4. Simple Matrix Rings ...

    Started by Peter, November 27th, 2016 09:40
    • Replies: 1
    • Views: 99
    November 27th, 2016, 11:26 Go to last post
  5. Subgroups of the dihedral group D6

    Started by mathmari, November 24th, 2016 12:56
    • Replies: 9
    • Views: 340
    November 26th, 2016, 16:52 Go to last post
  6. Proving determinant

    Started by MaryAnn, November 23rd, 2016 23:06
    $deta, 4k$, entries, hand, prove
    • Replies: 4
    • Views: 193
    November 26th, 2016, 11:08 Go to last post
  7. Subgroup of the Galois group

    Started by mathmari, November 24th, 2016 07:12
    $e$, $mathcalgl/e=langle, generator, polynomial, sigma^3
    • Replies: 1
    • Views: 97
    November 25th, 2016, 12:10 Go to last post
  8. Finding the inverse

    Started by MaryAnn, November 21st, 2016 23:05
    $$beginpmatrix, advantage, appreciated, endpmatrix$$, inverse
    • Replies: 7
    • Views: 241
    November 23rd, 2016, 22:51 Go to last post
  9. Permutation question concerning cycle shapes

    Started by Confusedalways, November 23rd, 2016 12:55
    fink4, hins4, h^-1fh, ink4, show
    • Replies: 1
    • Views: 119
    November 23rd, 2016, 14:06 Go to last post
  10. Frobenius Theorem - Bresar, Theorem 1.4 ...

    Started by Peter, November 23rd, 2016 06:14
    • Replies: 2
    • Views: 137
    November 23rd, 2016, 09:44 Go to last post
  11. n-Dimensional Real Division Algebras

    Started by Peter, November 22nd, 2016 22:21
    • Replies: 0
    • Views: 75
    November 22nd, 2016, 22:21 Go to last post
  12. Finding 3 natural numbers by the rule of Sarrus

    Started by MaryAnn, November 21st, 2016 22:47
    $x+y+z$, cdot, determinant, endvmatrix, sarrus
    • Replies: 2
    • Views: 133
    November 22nd, 2016, 11:59 Go to last post
    • Replies: 0
    • Views: 95
    November 21st, 2016, 01:26 Go to last post
  13. [SOLVED] Show that the set of the upper triangular matrices is a ring

    Started by mathmari, November 19th, 2016 17:58
    2 Pages
    1 2
    cdot, property, ring, set, show
    • Replies: 14
    • Views: 277
    November 20th, 2016, 09:24 Go to last post
  14. Bresar, Lemma 1.2 - Finite Division Algebras ...

    Started by Peter, November 19th, 2016 21:59
    • Replies: 0
    • Views: 73
    November 19th, 2016, 21:59 Go to last post
  15. Finite Dimensional Division Algebras - Bresar Lemma 1.1

    Started by Peter, November 16th, 2016 23:40
    • Replies: 2
    • Views: 139
    November 17th, 2016, 22:07 Go to last post
  16. [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: 136
    November 12th, 2016, 15:16 Go to last post
  17. [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: 338
    November 12th, 2016, 14:51 Go to last post
  18. Index of Positivity

    Started by MaryAnn, November 10th, 2016 16:00
    correct, form, index, mathbb, solution
    • Replies: 2
    • Views: 143
    November 11th, 2016, 19:32 Go to last post
  19. Give a basis of the subspace

    Started by mathmari, November 10th, 2016 21:31
    basis, give, spanned, subspace, vectors
    • Replies: 2
    • Views: 127
    November 11th, 2016, 09:28 Go to last post
  20. Dirac Functionals

    Started by MaryAnn, November 3rd, 2016 16:27
    $sin, cos, functionals, problem, set
    • Replies: 8
    • Views: 379
    November 10th, 2016, 15:28 Go to last post
    • Replies: 1
    • Views: 114
    November 9th, 2016, 17:07 Go to last post
  21. [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: 202
    November 9th, 2016, 16:55 Go to last post
  22. 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: 469
    November 8th, 2016, 20:36 Go to last post
  23. Show that the mapping is surjective

    Started by mathmari, October 27th, 2016 16:35
    $c$, $f$, $tau, algebraic, field
    • Replies: 2
    • Views: 196
    November 5th, 2016, 12:42 Go to last post
  24. [SOLVED] Galois extension - Statement

    Started by mathmari, October 26th, 2016 18:24
    $e/f$, extension, galois, separable, show
    • Replies: 4
    • Views: 197
    November 5th, 2016, 12:34 Go to last post
  25. [SOLVED] Geometrical description

    Started by mathmari, October 31st, 2016 09:08
    $-4, -3$, orthogonal, vector, vectors
    • Replies: 2
    • Views: 122
    November 5th, 2016, 12:32 Go to last post

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Math Help Boards