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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: 11,106
    March 8th, 2012, 20:05 Go to last post
  1. Normal Thread Normal Threads

  2. [SOLVED] Smallest subfield of C that contains i

    Started by mathmari, Today 05:55
    $mathbbqi$, additive, mathbbqi$, smallest, subfield
    • Replies: 4
    • Views: 42
    Today, 07:57 Go to last post
  3. Eigenvector. Answer check.

    Started by ertagon2, November 16th, 2017 15:20
    • Replies: 2
    • Views: 75
    November 16th, 2017, 15:37 Go to last post
  4. Questions about analysis of algorithm

    Started by evinda, November 14th, 2017 12:28
    • Replies: 5
    • Views: 124
    November 16th, 2017, 14:42 Go to last post
  5. Revised Postulate

    Started by conway, November 1st, 2017 04:03
    2 Pages
    1 2
    0z1, 0z2, 1/0z2, binary, expression
    • Replies: 10
    • Views: 320
    November 5th, 2017, 18:28 Go to last post
  6. Row v.s. column picture

    Started by otownsend, October 15th, 2017 22:11
    • Replies: 1
    • Views: 151
    October 16th, 2017, 15:18 Go to last post
  7. Subspace of a vector space

    Started by Yankel, October 12th, 2017 07:50
    closed, empty, show, space, vector
    • Replies: 3
    • Views: 135
    October 12th, 2017, 14:18 Go to last post
  8. A Revised Postulate for Peer Review

    Started by conway, September 26th, 2017 20:27
    3 Pages
    1 2 3
    exist, follows…, number, z1fora, z2forb
    • Replies: 24
    • Views: 647
    October 8th, 2017, 11:14 Go to last post
  9. Property of exterior product

    Started by mathmari, September 27th, 2017 14:49
    land, ldots, n_k+1land, property, psi_1land
    • Replies: 5
    • Views: 152
    September 28th, 2017, 07:10 Go to last post
  10. Exterior power

    Started by mathmari, September 26th, 2017 18:43
    a_kpi, holds, land, ldots, phi_1land
    • Replies: 2
    • Views: 141
    September 27th, 2017, 15:59 Go to last post
  11. 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: 675
    July 23rd, 2017, 19:18 Go to last post
  12. Reflection across a line

    Started by mathmari, July 14th, 2017 22:08
    $g$, $p$, line, perpendicular, reflection
    • Replies: 5
    • Views: 211
    July 18th, 2017, 17:39 Go to last post
  13. [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: 576
    July 18th, 2017, 17:24 Go to last post
  14. 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: 373
    July 18th, 2017, 17:23 Go to last post
  15. [SOLVED] Mappings - Similarity transformations

    Started by mathmari, July 17th, 2017 15:03
    composition, point, rotation, scaling, similitude
    • Replies: 9
    • Views: 224
    July 18th, 2017, 17:14 Go to last post
  16. [SOLVED] Are the statements correct?

    Started by mathmari, July 16th, 2017 13:34
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 550
    July 18th, 2017, 16:55 Go to last post
  17. [SOLVED] Rotation around an arbitrary point

    Started by mathmari, July 18th, 2017 08:12
    • Replies: 8
    • Views: 216
    July 18th, 2017, 11:22 Go to last post
  18. [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: 332
    July 18th, 2017, 04:02 Go to last post
  19. Find the equation of the polar

    Started by mathmari, July 15th, 2017 11:43
    • Replies: 8
    • Views: 255
    July 15th, 2017, 17:46 Go to last post
  20. [SOLVED] Distance between parallel lines

    Started by mathmari, July 12th, 2017 20:36
    $g$, distance, line, lines, point
    • Replies: 8
    • Views: 233
    July 15th, 2017, 12:14 Go to last post
  21. Equation of the tangent

    Started by mathmari, July 14th, 2017 17:21
    • Replies: 3
    • Views: 146
    July 15th, 2017, 07:06 Go to last post
  22. Galois Groups ... A&F Example 47.7 ... ...

    Started by Peter, July 7th, 2017 02:09
    47.7, anderson, feil, mathbbq, zeta
    • Replies: 2
    • Views: 160
    July 7th, 2017, 23:00 Go to last post
    • Replies: 5
    • Views: 225
    July 7th, 2017, 22:59 Go to last post
  23. Galois Groups ... A&W Theorem 47.1 ... ...

    Started by Peter, July 5th, 2017 00:53
    47.1, alpha, proof, textdegf, theorem
    • Replies: 2
    • Views: 149
    July 7th, 2017, 20:16 Go to last post
  24. Basic Notation for Field Extensions ... ...

    Started by Peter, April 11th, 2017 01:02
    alpha, field, generated, lovett, rings
    • Replies: 2
    • Views: 194
    July 4th, 2017, 21:04 Go to last post
  25. Finite Extensions - A&F Example 44.2 ... ...

    Started by Peter, July 3rd, 2017 23:05
    add, basis, sqrt2, sqrt3, sqrt6
    • Replies: 1
    • Views: 119
    July 4th, 2017, 12:24 Go to last post
  26. 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: 116
    June 24th, 2017, 22:28 Go to last post
  27. Geometry in Linear Systems

    Started by srg263, June 19th, 2017 21:55
    • Replies: 6
    • Views: 214
    June 23rd, 2017, 06:39 Go to last post

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Top 271 Thread Starters For "Linear and Abstract Algebra"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1Peter30.5504Galois Groups ... A&F Exam...
2mathmari11.0182Smallest subfield of C that co...
3Yankel3.456Subspace of a vector space
4Sudharaka3.355What is a Quinary Vector?
5ognik2.846Please check Cross product sol...
6evinda2.745Questions about analysis of al...
7caffeinemachine2.134Algebraic Closure of Fp [Lang,...
8Petrus1.627linear map input
8kalish1.627Showing a polynomial is irredu...
9Guest1.524Cycle notation
10matqkks1.423Linear Algebra Problems
11Poirot1.321Eigenfunction
12Kiwi1.220Roots of elements in a field
13topsquark1.119Nested matrix elements
14Fermat1.016Describe all homomorphism
15Rido120.814Determinant - Proof for distin...
15mathjam09900.814Galois Groups and Minimum Poly...
16dwsmith0.813Matrix Exponential and series ...
16bwpbruce0.813Range and Image of a Transform...
17MaryAnn0.712Intuition on Integral Over
18Alexmahone0.59gH=Hg?
18oblixps0.59Product of two Polynomials in ...
18crypt500.59Find T cyclic operator that ha...
18brunette150.59Graphing isotherms help
18Tarrant0.59Proving Scalar Product
19Fernando Revilla0.58Equation with norm
19ianchenmu0.58Form of symmetric matrix of ra...
19onie mti0.58homomorphism of finite groups
20Amer0.47Noetherian Ring
20Swati0.47Row Space, Column Space and Nu...
20LLand3140.47How to solve the following mat...
20delgeezee0.47Show that in every set p2 with...
20gucci0.47QR Decomposition and Full Colu...
20chickenwin0.47How do you find frobenius cano...
21Jameson0.46If matrix lambda is diagonal w...
21Fantini0.46Field isomorphism
21Kaspelek0.46Linear transform questions
21smile0.46Tensor product
22Siron0.35Checking if an interval value ...
22hmmm160.35Proving Z[√(-3)] is not ...
22OhMyMarkov0.35Inverse of a Symmetric Matrix
22Pratibha0.35Upper central series
22Zoey930.35Concerning the Fifth Roots of ...
23StefanM0.24Ring and cosets
23James0.24Elements of a ring
23bugatti790.24Shankar - Simultaneous Diagona...
23GreenGoblin0.24Coplanarity of vectors
23Cbarker10.24Showing that P_3 is a subspace...
23ZaidAlyafey0.24Confusion about the notation o...
23mathbalarka0.24Galois theory : A new twist?
23Jundoe0.24Matrix transform- about origin...
23simo0.24Quotient rings and homorphic i...
23NoName0.24Commutative ring
24Bingk0.23X^(2^n) + x + 1 is reducible o...
24Evgeny.Makarov0.23Powers of elements in Z/nZ
24skoker0.23A=lu
24jacks0.23no. of matrices
24suvadip0.23two sets generate the same vec...
24SiddharthThakur0.23Invertibility of Matrices
24Bruce Wayne0.23Help Proving Isomorphism of a ...
24Ragnarok0.23Show that Q adjoin square root...
24nacho0.23Basic subspace proof
24shamieh0.23Finding a set of vectors that ...
24baseball30300.23Not One to One
24FilipVz0.23Quadratic forms
24akerman0.23kernel properties and feature ...
24mathgirl0.23Field extensions and roots of ...
24Kronos0.23Find matrix representation wit...
24rayne0.23Show that V is a subspace of P...
24steenis0.23A little problem on exact sequ...
24jessicamorgan0.23Nondimensionalisation
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25dray0.12*-algebra problem
25crabchef0.12More questions on psd and pd o...
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25cylers890.12Unitary matrix
25saqifriends0.12basis for each eigenspace
25ibnashraf0.12p-groups
25Jack0.12Question about generators and ...
25pantboio0.12Proving that a ring is non a P...
25Arnold0.12Order of product of elements i...
25wmccunes0.12Indicial notation - Levi-Cevit...
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26otownsend0.11Row v.s. column picture
26ertagon20.11Eigenvector. Answer check.
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