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Rick
  • Member for 5 years, 2 months
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  • India
7 votes
1 answer
2k views

Matrices with all non-zero entries.

5 votes
2 answers
620 views

No integers satisfying $x^2+2y^2 = p$

3 votes
2 answers
141 views

Irreducibility of a polynomial in a finite field

3 votes
2 answers
429 views

If G/N is a cyclic group then, [G,G] =[G,N]

3 votes
1 answer
44 views

Transformations on infinite dimensional spaces, examples

3 votes
2 answers
233 views

Open sets in a particular norm.

2 votes
2 answers
365 views

Centralizer of centralizer of an element is abelian

2 votes
0 answers
73 views

Possible metrics on the space $C[0,1]$?

1 vote
1 answer
103 views

Proving that $R$ is Noetherian if and only if $X$ is finite.

1 vote
2 answers
59 views

Inequality in Inner product spaces [duplicate]

1 vote
1 answer
39 views

Examples of some functions with the following conditions

1 vote
2 answers
79 views

Finding a function with given conditions

1 vote
1 answer
42 views

Convergence or divergence of $\sum_{r=1}^{\infty} (-1)^r \frac{r^2}{2r^{5/2}-1}$

1 vote
1 answer
137 views

Largest ideal inside an ideal of a ring.

1 vote
1 answer
54 views

Generalised Divisibility

1 vote
2 answers
128 views

Evaluating limit of a function with integral involved.

1 vote
2 answers
36 views

Finding power series representation of the fucntion $f(x) = \frac{1+x^2}{1-x^2}$.

1 vote
1 answer
219 views

Solving a recurrence relation: $T(n^6) = 9T(n^{\frac{1}{6}}) + \log^2(n)$

1 vote
1 answer
98 views

Proving that the following functional equation admits a solution

0 votes
1 answer
53 views

Subgroups of a group of order $mp^{\alpha}$

0 votes
3 answers
83 views

Calculate $\int (6x^2-2)^{\frac{3}{2}} \mathrm{d}x$

0 votes
1 answer
79 views

Finding the integral of $\int_{e}^{n \pi} \frac{\sin x}{x \log x}$

0 votes
2 answers
392 views

Presentation of abelian groups and classification.

0 votes
1 answer
47 views

Evaluating integral using Cauchy Formula

0 votes
2 answers
79 views

What can I say about the following matrix $A$?

0 votes
1 answer
53 views

Homomorphisms of a matrix ring.

0 votes
1 answer
75 views

Matrix units in commutator subgroup

0 votes
1 answer
88 views

Proving continuity of the following piecewise function

0 votes
1 answer
48 views

Show that $|f(0)| \le \sqrt{12}$ for the following complex analytic function [duplicate]

0 votes
1 answer
32 views

Proving the following automorphism of fields is an additive homomorphism