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# Forum: Linear and Abstract Algebra

Linear Systems of Equations, Eigenvalues and Eigenvectors, Vector Spaces, Groups, Rings, Fields

2. ### Linear Algebra Proofs and Problems

• Replies: 1
• Views: 11,901
March 8th, 2012, 20:05

2. ### [SOLVED] Find Nul A Find Col A (q2)

• Replies: 4
• Views: 194
March 22nd, 2018, 18:46
3. ### Find the determinant by row reduction in echelon

• Replies: 3
• Views: 102
March 18th, 2018, 13:51
4. ### 311.3.1.1 - Determinants And Cofactor Expansion

• Replies: 2
• Views: 118
March 13th, 2018, 22:37
5. ### Inequality 1

• Replies: 1
• Views: 89
March 10th, 2018, 11:19
6. ### Question about proof of the linear independence of a dual basis

• Replies: 5
• Views: 205
March 9th, 2018, 12:40
7. ### Simple Modules and Maximal Right Ideals ... Bland, Proposition 6.1.7 ...

• Replies: 8
• Views: 695
March 5th, 2018, 05:49
8. ### A problem about submodules in "Advanced Modern Algebra" of Rotman

• Replies: 9
• Views: 144
March 2nd, 2018, 13:52
9. ### Proving Finite subgroups of the multiplicative group of a field are cyclic

• Replies: 3
• Views: 144
February 25th, 2018, 03:51
10. ### Layout Notation for matrix calculus

• Replies: 1
• Views: 272
February 14th, 2018, 05:37
11. ### [SOLVED] Number of homomorphisms

• Replies: 2
• Views: 175
January 29th, 2018, 09:36
12. ### [Linear Algebra] - Find the shortest distance d between two lines

• Replies: 2
• Views: 288
January 27th, 2018, 09:53
13. ### Show that the determinant is equal to 0

• Replies: 4
• Views: 224
January 21st, 2018, 22:10
14. ### Determinant of a matrix

• Replies: 5
• Views: 277
January 13th, 2018, 07:24
15. ### Saying a system of linear equations Ax=b is possible is the same as saying r(A) = nº of equations?

• Replies: 9
• Views: 363
January 10th, 2018, 19:52

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