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Anfänger
  • Member for 8 years, 7 months
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6 votes
2 answers
566 views

Question on evaluating $\int_{C}\frac{e^{iz}}{z(z-\pi)}dz$ without the residue theorem

5 votes
4 answers
1k views

Why is this sequence of equicontinuous functions uniformly bounded?

4 votes
2 answers
837 views

How to show that the trace maps a Galois extension to the base field

3 votes
2 answers
67 views

Need help formally showing $[0,1)$ is a closed set in $(-1,1)$

3 votes
1 answer
2k views

Does this type of "cyclic" matrix have a name?

3 votes
2 answers
113 views

How to determine if the function series $\sum_{n=1}^{\infty}\frac{n^x}{3^n-5}$ is not uniformly convergent for $x \in [0, \infty)$

2 votes
1 answer
127 views

What are the inverses in the Grothendieck group of a module category?

2 votes
1 answer
270 views

Certain Isomorphic Representations of the dihedral group $D_{3}$

2 votes
0 answers
123 views

Certain exact functor on the Grothendieck group of a module category

2 votes
1 answer
73 views

Does this change of basis exist?

2 votes
1 answer
1k views

Proving the Formula for the Determinant of the Adjacency Matrix of a Complete Graph

1 vote
2 answers
105 views

Coordinates of a Change of Basis

1 vote
2 answers
54 views

How does this determinant calculation work?

1 vote
1 answer
2k views

What does it mean for an inner product to be conjugate linear in the second entry?

1 vote
0 answers
39 views

Conjugation map in quadratic integer rings is an automorphism

1 vote
1 answer
99 views

Localization at prime ideals in von Neumann regular rings [closed]

1 vote
1 answer
178 views

Complex group algebra of $S_3$ isomorphic to $\mathbb{C}[x]/(p)$?

1 vote
1 answer
43 views

Help showing this function is continuous

1 vote
1 answer
164 views

Need help with a Weierstrass M-test convergence problem

1 vote
0 answers
50 views

Ideals of a PID and Localization

1 vote
1 answer
38 views

What is this module endomorphism for a given algebra?

0 votes
1 answer
42 views

Property of remainders of Grobner basis

0 votes
1 answer
17 views

Homogeneous elements of graded algebras as polynomials of algebra generators

0 votes
0 answers
42 views

Number of Patterns in Cutting Stock Problem Grows Exponentially

0 votes
0 answers
28 views

How can I find an $x$ in terms of $n$ such that $\sum_{k=1}^n\frac{k^x}{3^k-5} \geq r$ for some $r \in [0, \infty)$

0 votes
1 answer
404 views

When is the product of limsups equal to the limsup of the products?

0 votes
1 answer
659 views

What are the types of singularities of $\frac{z^{1/3}-1}{z-1}$?

0 votes
1 answer
109 views

If $u$ is transcendental over a field $F$, can it be the case that $F(u) = F(u^2)$?

0 votes
1 answer
60 views

Elements of $\mathbb{Q}(x) - \mathbb{Q}(x^{2})$

0 votes
0 answers
93 views

$K(u, v) = K(u+v)$ when characteristic of $K=0$?