Join experts in discussing linear and abstract algebra topics. This includes vector spaces and linear transformations. Also groups and other algebraic structures along with Number Theory.
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Undergrad
How to find detA if A is 4X4 matrix
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Graduate
Solutions of an equation in a PID
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Undergrad
Can S5 contain a subgroup of order 7?
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Graduate
Showing Gal(E/Q) is Isomorphic to Z4
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Graduate
Lie Algebra differentiable manifold
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Undergrad
Why Do Irrational Numbers Exist?
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Graduate
Prime values of integer polynomials
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Undergrad
A question about factoring and factors
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High School
Adding 3.6, 4.4, and 5.8: Keeping the Sum 13.8
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Undergrad
Projecting a vector onto a plane problem
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Graduate
Existence of polynomial in R^2
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Undergrad
Tips For Algebraic Manipulation
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Graduate
Perron formula for matrix powers
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Graduate
How to Find Subgroups of Index 2?
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Graduate
Infinitely many primes in Q[Sqrt(d)]
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High School
How do you multiply permutations?
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Undergrad
How to OLS several lines at once?
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Undergrad
Glossary for Linear Algebra + Quick Tips
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Undergrad
Calculating powers of matrices
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Graduate
Quaternions and associated manifolds
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