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23
Can we deduce the characteristic polynomial for this matrix?
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9
undergraduate logic textbook
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9
From the collection of all permutation matrices of size $10\times10$, one such matrix is randomly picked. What is the expected value of its trace?
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9
A problem regarding the hands of a clock
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7
Counting the number of particular subgroups of a finite abelian group
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7
A group $G$ with $n$ elements has the property $(L)$ if for any divisor $d$ of $n$ there is at least a subgroup $H$ of $G$ with $d$ elements
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7
Can $\mathbb{Q}(u)$ be of degree 2 over $\mathbb{Q} (u^3)$?
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6
How to prove that a diagonalizable matrix with eigenvalues of ±1 is equal to its inverse?
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6
Probability of three points on a 4 dimensional cubes forming an equilateral triangle
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6
(Normal) subgroups of different orders of a group of order $20.$
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6
Five lemma diagram without the middle vertical map
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6
How do you rewrite a determinant of a matrix into a polynomial by induction?
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5
Find the minimal polynomial for $\cos(\frac{2\pi}{5})$ and $\sin(\frac{2\pi}{5})$
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5
What is the difference between a matrix and a tuple of vectors?
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5
How can you tell if a collection is “too large” to be a set?
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5
Algebra Books to advance Abstract Algebra
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5
8 Vs 10 Axioms / Properties of a Vector Space: Should Closure of Addition and Scalar Multiplication Be Included?
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