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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: 10,964
    March 8th, 2012, 20:05 Go to last post
  1. Normal Thread Normal Threads

    • Replies: 1
    • Views: 160
    March 22nd, 2017, 11:56 Go to last post
  2. Isomorphic Groups

    Started by rss, March 18th, 2017 14:21
    abstract, algebra, group, isomorphic, show
    • Replies: 7
    • Views: 277
    March 20th, 2017, 12:38 Go to last post
  3. Rings of Fractions ... Lovett, Section 6.2 ...

    Started by Peter, March 11th, 2017 02:35
    6.2, 6.2.4, definition, remarks, rings
    • Replies: 2
    • Views: 150
    March 11th, 2017, 20:24 Go to last post
  4. Nondimensionalisation

    Started by jessicamorgan, March 7th, 2017 21:48
    nondimensionalisation, unsure, direction, point, equation
    • Replies: 4
    • Views: 267
    March 9th, 2017, 12:59 Go to last post
  5. Cosine of a matrix

    Started by jessicamorgan, March 7th, 2017 21:16
    cosine, matrix, solutions, find, unsure
    • Replies: 3
    • Views: 218
    March 9th, 2017, 09:00 Go to last post
  6. Subgroup nesting

    Started by Jen917, March 7th, 2017 18:07
    automatically, explain, group, larger, subgroup
    • Replies: 3
    • Views: 208
    March 8th, 2017, 03:20 Go to last post
  7. [SOLVED] Eigenvalues and eigenvectors

    Started by jessicamorgan, March 7th, 2017 21:33
    eigenvalues, start, question, type, explain
    • Replies: 0
    • Views: 67
    March 7th, 2017, 21:33 Go to last post
  8. Subgroups

    Started by Jen917, March 7th, 2017 18:03
    inverse, operations, show, subgroup, subgroups
    • Replies: 1
    • Views: 105
    March 7th, 2017, 19:54 Go to last post
    • Replies: 5
    • Views: 276
    March 6th, 2017, 18:05 Go to last post
    • Replies: 2
    • Views: 219
    February 28th, 2017, 20:30 Go to last post
  9. Units in Z_m ... Anderson and Feil, Theorem 8.6 ... ...

    Started by Peter, February 26th, 2017 02:02
    8.6, anderson, feil, proof, theorem
    • Replies: 2
    • Views: 150
    February 28th, 2017, 20:25 Go to last post
  10. Linear Algebra Conditions

    Started by foxsborisnaumo, February 15th, 2017 05:55
    • Replies: 3
    • Views: 217
    February 24th, 2017, 11:28 Go to last post
  11. Rings Generated by Elements - Lovett, Example 5.2.1 ... ...

    Started by Peter, February 16th, 2017 23:12
    frac12, lovett, mathbbz, ring, subring
    • Replies: 5
    • Views: 255
    February 22nd, 2017, 20:01 Go to last post
  12. Thinking about the Definition of a Unit of a ring R ... ...

    Started by Peter, February 12th, 2017 03:00
    definition, ring, thinking, unit, units
    • Replies: 2
    • Views: 251
    February 12th, 2017, 22:13 Go to last post
  13. Induction to find the determinant

    Started by mathmari, January 31st, 2017 15:33
    determinant, holds, induction, matrix, prove
    • Replies: 2
    • Views: 257
    February 10th, 2017, 23:19 Go to last post
    • Replies: 5
    • Views: 364
    February 7th, 2017, 01:01 Go to last post
  14. [SOLVED] Determinant

    Started by mathmari, January 30th, 2017 15:12
    a_1, a_2, a_n, determinant, ldots
    • Replies: 5
    • Views: 304
    January 31st, 2017, 15:32 Go to last post
  15. The extension KE/F is finite and separable

    Started by mathmari, January 29th, 2017 11:23
    $f$, algebraic, extension, finite, separable
    • Replies: 0
    • Views: 141
    January 29th, 2017, 11:23 Go to last post
  16. Equivalent statements

    Started by mathmari, January 24th, 2017 21:22
    2 Pages
    1 2
    $phi, ker, phi, rightarrow, statements
    • Replies: 10
    • Views: 675
    January 28th, 2017, 07:58 Go to last post
  17. [SOLVED] Is the mapping bijective?

    Started by mathmari, January 26th, 2017 20:24
    $phi, basis, c_2, c_3$, phi
    • Replies: 7
    • Views: 484
    January 28th, 2017, 07:03 Go to last post
    • Replies: 4
    • Views: 331
    January 25th, 2017, 00:34 Go to last post
  18. B spans algebraically E over F

    Started by mathmari, January 23rd, 2017 11:03
    $f$, algebraically, show, text, trancendental
    • Replies: 1
    • Views: 150
    January 24th, 2017, 16:32 Go to last post
  19. [SOLVED] Exponent of group

    Started by mathmari, December 12th, 2016 13:06
    2 Pages
    1 2
    $g$, $textexpg$, $|g|$, exponent, group
    • Replies: 16
    • Views: 925
    January 24th, 2017, 14:23 Go to last post
  20. Degree of field extension

    Started by mathmari, January 23rd, 2017 14:46
    $$[mathbbq[sqrt3, $[mathbbq[sqrt3, mathbbq]=[mathbbq[sqrt3, rho], wondering
    • Replies: 0
    • Views: 136
    January 23rd, 2017, 14:46 Go to last post

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