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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: 14,136
    March 8th, 2012, 20:05 Go to last post
  1. Normal Thread Normal Threads

  2. Showing the Dual Basis is a basis

    Started by joypav, Yesterday 21:37
    $v^$, basis, dual, mentioned, proof
    • Replies: 1
    • Views: 35
    Today, 00:24 Go to last post
  3. Check the statements about a 4x5 matrix with rank 2.

    Started by mathmari, February 17th, 2019 10:26
    $2$, $u$, matrix, rank, statement
    • Replies: 9
    • Views: 150
    February 19th, 2019, 20:03 Go to last post
    • Replies: 0
    • Views: 76
    February 18th, 2019, 07:51 Go to last post
  4. [SOLVED] e1.4b shrinking co factors

    Started by karush, February 9th, 2019 19:02
    =-left[beginarrayc1, e1.4b, endarrayright], retured, w|a
    • Replies: 5
    • Views: 150
    February 10th, 2019, 12:23 Go to last post
  5. [SOLVED] e1.4b Determinant with zero column

    Started by karush, February 8th, 2019 20:00
    4th, book, column, e1.4b, zeros
    • Replies: 1
    • Views: 84
    February 8th, 2019, 20:25 Go to last post
  6. [SOLVED] basis for R^2

    Started by karush, February 7th, 2019 02:42
    $x_1=3$, $x_2=2$, $|v|_beta-$, answer, basis
    • Replies: 8
    • Views: 149
    February 7th, 2019, 18:51 Go to last post
  7. Graded Algebra

    Started by topsquark, February 4th, 2019 17:58
    algebra, graded, octimes, spinors, talking
    • Replies: 2
    • Views: 114
    February 4th, 2019, 19:47 Go to last post
  8. Proving General Associativity for Group by induction

    Started by Cbarker1, February 3rd, 2019 11:01
    a_n$, group, induction, problem, troubles
    • Replies: 5
    • Views: 147
    February 3rd, 2019, 13:00 Go to last post
  9. [SOLVED] Proof the set with the multiplication is a group

    Started by Cbarker1, February 3rd, 2019 10:14
    $z/nz^times$, cdot, closed, multiplication, z/nz^times$
    • Replies: 1
    • Views: 75
    February 3rd, 2019, 11:55 Go to last post
    • Replies: 2
    • Views: 100
    February 2nd, 2019, 23:39 Go to last post
  10. another is the set of vectors form a vector space

    Started by karush, February 1st, 2019 20:01
    • Replies: 1
    • Views: 86
    February 1st, 2019, 20:41 Go to last post
    • Replies: 11
    • Views: 204
    February 1st, 2019, 20:36 Go to last post
  11. Determine if this is a vector space.

    Started by karush, January 31st, 2019 16:57
    beginbmatrix, determine, endbmatrix, vector, x_1
    • Replies: 5
    • Views: 111
    February 1st, 2019, 13:16 Go to last post
  12. [SOLVED] matrix addition

    Started by karush, January 29th, 2019 15:16
    • Replies: 2
    • Views: 118
    January 30th, 2019, 13:26 Go to last post
  13. Determine if a group is abelian

    Started by Cbarker1, January 29th, 2019 12:39
    $astar, $g$, abelian, group, star
    • Replies: 2
    • Views: 124
    January 30th, 2019, 02:27 Go to last post
  14. Kernel of trace is equal to V

    Started by mathmari, January 25th, 2019 13:23
    $ker, $v_sigma$, operatornametr_k/f$, show, v_sigma$
    • Replies: 4
    • Views: 175
    January 29th, 2019, 15:51 Go to last post
  15. A and solution are known find B matrix

    Started by TomSavage, January 28th, 2019 12:28
    ax=b, a^-1, inverted, matrix, singular
    • Replies: 3
    • Views: 113
    January 29th, 2019, 13:51 Go to last post
  16. determinant = -12

    Started by karush, January 23rd, 2019 18:13
    • Replies: 5
    • Views: 191
    January 25th, 2019, 07:51 Go to last post
  17. Show that A is invertible

    Started by karush, January 19th, 2019 22:56
    $a=0$, $textsfexcept, invertible, show, this.$
    • Replies: 2
    • Views: 134
    January 21st, 2019, 08:54 Go to last post
  18. [SOLVED] matrix (AB)^T

    Started by karush, January 19th, 2019 15:48
    $left[beginarrayc5, diagonal, endarrayright]$, matrix, reflection
    • Replies: 1
    • Views: 131
    January 19th, 2019, 18:43 Go to last post
  19. Linear Combination - missing data ?

    Started by Yankel, January 19th, 2019 04:04
    correct, ku-3v, missing, solution, system
    • Replies: 3
    • Views: 103
    January 19th, 2019, 07:17 Go to last post
  20. [SOLVED] 5.2 another Ax=B with an inverse

    Started by karush, January 17th, 2019 20:43
    beginbmatrix, endbmatrix, endbmatrix$, equation, frac25&-frac15&0
    • Replies: 2
    • Views: 119
    January 18th, 2019, 09:33 Go to last post
  21. Vector subspace

    Started by Yankel, January 13th, 2019 18:19
    assist, kindly, set, vector, zin
    • Replies: 5
    • Views: 171
    January 15th, 2019, 10:50 Go to last post
  22. [SOLVED] 1.4 Ax=b. Solve

    Started by karush, January 13th, 2019 00:59
    • Replies: 3
    • Views: 152
    January 13th, 2019, 20:49 Go to last post
  23. Combination of Linear Transformations

    Started by TheFallen018, January 8th, 2019 00:37
    $mathbbr^nrightarrow, clear, linear, mathbbr^m$, transformations
    • Replies: 2
    • Views: 152
    January 9th, 2019, 08:48 Go to last post
  24. Dual Spaces ... Friedberg et al, Example 4, Section 2.6

    Started by Peter, January 8th, 2019 02:24
    • Replies: 2
    • Views: 139
    January 8th, 2019, 07:58 Go to last post
  25. A question about surjective module-homomorphisms

    Started by steenis, January 4th, 2019 12:44
    $$f^-1x+, $f$, general, question, surjective
    • Replies: 3
    • Views: 196
    January 7th, 2019, 14:01 Go to last post
  26. Matrices- conditions for unique and no solution

    Started by lyd123, January 2nd, 2019 08:01
    • Replies: 2
    • Views: 161
    January 3rd, 2019, 04:25 Go to last post
  27. Inverse of Matrices

    Started by lyd123, January 1st, 2019 08:14
    identity, matrices, matrix, question, s^-
    • Replies: 2
    • Views: 150
    January 2nd, 2019, 07:33 Go to last post

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Top 297 Thread Starters For "Linear and Abstract Algebra"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1Peter30.8585Matrices of Linear Transformat...
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3Yankel3.260Linear Combination - missing d...
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5evinda2.854Find linear mapping
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16Alexis870.612Congruence in F[x]
17Cbarker10.510Proving General Associativity ...
18Alexmahone0.59gH=Hg?
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18brunette150.59Graphing isotherms help
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22hmmm160.35Proving Z[√(-3)] is not ...
22OhMyMarkov0.35Inverse of a Symmetric Matrix
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23NoName0.24Commutative ring
23conway0.24Relative Mathematics
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