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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: 10,967
    March 8th, 2012, 20:05 Go to last post
  1. Normal Thread Normal Threads

  2. When do we get a reflection?

    Started by mathmari, July 22nd, 2017 16:41
    3 Pages
    1 2 3
    $z$, composition, line, point, reflection
    • Replies: 20
    • Views: 409
    July 23rd, 2017, 19:18 Go to last post
  3. Reflection across a line

    Started by mathmari, July 14th, 2017 22:08
    $g$, $p$, line, perpendicular, reflection
    • Replies: 5
    • Views: 136
    July 18th, 2017, 17:39 Go to last post
  4. [SOLVED] Scaling

    Started by mathmari, July 16th, 2017 03:28
    3 Pages
    1 2 3
    center, factor, scaling, show, z_1z_2$
    • Replies: 24
    • Views: 399
    July 18th, 2017, 17:24 Go to last post
  5. Conditions so that the determinant is zero

    Started by mathmari, July 13th, 2017 12:57
    2 Pages
    1 2
    $det, a_ij=0$, iff, linear, lines
    • Replies: 14
    • Views: 256
    July 18th, 2017, 17:23 Go to last post
  6. [SOLVED] Mappings - Similarity transformations

    Started by mathmari, July 17th, 2017 15:03
    composition, point, rotation, scaling, similitude
    • Replies: 9
    • Views: 163
    July 18th, 2017, 17:14 Go to last post
  7. [SOLVED] Are the statements correct?

    Started by mathmari, July 16th, 2017 13:34
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 376
    July 18th, 2017, 16:55 Go to last post
  8. [SOLVED] Rotation around an arbitrary point

    Started by mathmari, July 18th, 2017 08:12
    • Replies: 8
    • Views: 146
    July 18th, 2017, 11:22 Go to last post
  9. [SOLVED] Coordinates of the centroid

    Started by mathmari, July 12th, 2017 16:25
    2 Pages
    1 2
    centroid, coordinates, fraca_2+b_22right, intersection, point
    • Replies: 12
    • Views: 233
    July 18th, 2017, 04:02 Go to last post
  10. Find the equation of the polar

    Started by mathmari, July 15th, 2017 11:43
    • Replies: 8
    • Views: 185
    July 15th, 2017, 17:46 Go to last post
  11. [SOLVED] Distance between parallel lines

    Started by mathmari, July 12th, 2017 20:36
    $g$, distance, line, lines, point
    • Replies: 8
    • Views: 173
    July 15th, 2017, 12:14 Go to last post
  12. Equation of the tangent

    Started by mathmari, July 14th, 2017 17:21
    • Replies: 3
    • Views: 92
    July 15th, 2017, 07:06 Go to last post
  13. Galois Groups ... A&F Example 47.7 ... ...

    Started by Peter, July 7th, 2017 02:09
    47.7, anderson, feil, mathbbq, zeta
    • Replies: 2
    • Views: 104
    July 7th, 2017, 23:00 Go to last post
    • Replies: 5
    • Views: 166
    July 7th, 2017, 22:59 Go to last post
  14. Galois Groups ... A&W Theorem 47.1 ... ...

    Started by Peter, July 5th, 2017 00:53
    47.1, alpha, proof, textdegf, theorem
    • Replies: 2
    • Views: 91
    July 7th, 2017, 20:16 Go to last post
  15. Basic Notation for Field Extensions ... ...

    Started by Peter, April 11th, 2017 01:02
    alpha, field, generated, lovett, rings
    • Replies: 2
    • Views: 142
    July 4th, 2017, 21:04 Go to last post
  16. Finite Extensions - A&F Example 44.2 ... ...

    Started by Peter, July 3rd, 2017 23:05
    add, basis, sqrt2, sqrt3, sqrt6
    • Replies: 1
    • Views: 75
    July 4th, 2017, 12:24 Go to last post
  17. Splitting Fields: Anderson and Feil, Theorem 45.6 ...

    Started by Peter, June 23rd, 2017 23:01
    45.6, alpha, anderson, proof, theorem
    • Replies: 1
    • Views: 81
    June 24th, 2017, 22:28 Go to last post
  18. Geometry in Linear Systems

    Started by srg263, June 19th, 2017 21:55
    • Replies: 6
    • Views: 153
    June 23rd, 2017, 06:39 Go to last post
    • Replies: 2
    • Views: 101
    June 22nd, 2017, 22:28 Go to last post
  19. Splitting Fields: Anderson and Feil, Theorem 45.4

    Started by Peter, June 21st, 2017 01:15
    anderson, feil, f[x], read, term-by-term
    • Replies: 6
    • Views: 120
    June 22nd, 2017, 22:26 Go to last post
  20. Splitting Fields: Anderson and Feil, Theorem 45.5

    Started by Peter, June 22nd, 2017 22:23
    alpha, field, irreducible, polynomials, theorem
    • Replies: 0
    • Views: 55
    June 22nd, 2017, 22:23 Go to last post
  21. Galois Theory - Fixed Subfield of K by H ...

    Started by Peter, June 16th, 2017 02:11
    11.1.11, galois, lovett, proposition, theory
    • Replies: 2
    • Views: 83
    June 16th, 2017, 04:40 Go to last post
  22. Galois Theory: Textbook recommendations?

    Started by Kiwi, August 16th, 2016 23:56
    book, chapter, galois, solving, theory
    • Replies: 2
    • Views: 312
    June 16th, 2017, 02:19 Go to last post
  23. Nested matrix elements

    Started by topsquark, June 10th, 2017 20:58
    deals, endmatrix, gamma, matrices, nested
    • Replies: 1
    • Views: 118
    June 11th, 2017, 07:24 Go to last post

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