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MathManiac
  • Member for 8 years, 10 months
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12 votes
1 answer
739 views

Is every square matrix a sum of a diagonal matrix and a nilpotent matrix

7 votes
0 answers
295 views

Generalizing Hall's marriage theorem

7 votes
1 answer
4k views

Lower limit topology is normal

7 votes
1 answer
568 views

Eigenvalues of Hecke operators are algebraic integers

6 votes
1 answer
576 views

Topology on the set of ordinal numbers

6 votes
2 answers
1k views

Condition for equality of mixed derivatives

6 votes
1 answer
796 views

Isomorphism between quotient rings over finite fields

6 votes
2 answers
473 views

Can the product of 4 distinct numbers be equal to a fourth power?

5 votes
1 answer
186 views

Binomial coefficients identity [duplicate]

4 votes
2 answers
209 views

Number theory divisibility problem

4 votes
1 answer
3k views

Transitive subgroup of symmetric group $S_n$ containing an $(n-1)$-cycle and a transposition

4 votes
0 answers
509 views

Software for computing generators of the invariant rings of the symmetric groups

3 votes
1 answer
589 views

Density of sin(k) where k is an integer [duplicate]

3 votes
1 answer
1k views

Galois group for the algebraic closure of a finite field

3 votes
4 answers
1k views

Boundary of a bounded open set in $\mathbb{R}^2$

3 votes
1 answer
1k views

Bound on derivative of a holomorphic function

3 votes
1 answer
68 views

Bounds on dimensions of fixed subspaces of a representation, implies that there exists a non-zero fixed element.

2 votes
0 answers
49 views

Matrix similar to a permutation matrix over $Z$

2 votes
0 answers
41 views

Closed form expression for Taylor-like series in 2 variables in positive characteristic

2 votes
0 answers
51 views

Kunneth spectral sequence for negatively graded complexes

2 votes
1 answer
44 views

A combinatorial identity involving monomials in an associative algebra

2 votes
1 answer
561 views

Cyclic extension without primitive root of unity

2 votes
1 answer
6k views

Ring of integers of a cyclotomic number field

2 votes
1 answer
215 views

Legendre symbol series

2 votes
4 answers
2k views

Evaluation of the improper integral $\int_{0}^{\infty}\frac{\cos6t-\cos4t}{t}\text{d}t$

2 votes
1 answer
383 views

Sums involving binomial coefficients in a finite field

2 votes
2 answers
519 views

Character of an $\mathbb{R}G$-module constructed from a $\mathbb{CG}$-module

2 votes
1 answer
615 views

Inverse of the $\Delta$ function has integer Fourier coefficients

2 votes
0 answers
403 views

Stein and Shakarchi Fourier Analysis Chapter 4 Exercise 20

1 vote
1 answer
95 views

Calculation of coefficient of a monomial in a polynomials