User user398623

4 votes

1 answer

228 views

Does there exist such a positive integer?

asked Dec 28, 2016 at 19:01

4 votes

1 answer

527 views

Trace $A$ is an integer.

asked Jan 8, 2017 at 2:29

3 votes

3 answers

365 views

Books that gives geometric interpretation of topology.

asked Feb 8, 2017 at 11:38

3 votes

2 answers

2k views

A concern about the book Algebraic Topology by Fulton

asked May 23, 2018 at 18:57

2 votes

1 answer

302 views

Non-existence of non-trivial clopen set in $\mathbb R$ without using connectedness [duplicate]

asked Jul 7, 2017 at 12:58

2 votes

0 answers

243 views

Books on norms and $l_{p}$ spaces

asked Jul 31, 2017 at 19:17

1 vote

0 answers

20 views

Some reference on quadratic rings or introductory algebraic number theory. [duplicate]

asked Oct 18, 2017 at 16:03

1 vote

4 answers

257 views

Does this uncountable set of $\mathbb{R}\times\mathbb{R}$ contain a dense set?

asked Nov 2, 2017 at 18:33

1 vote

1 answer

51 views

A problem from elementary number theory

asked Jan 7, 2018 at 11:14

1 vote

0 answers

31 views

Is the operator invertible? [duplicate]

asked Feb 1, 2018 at 3:37

1 vote

1 answer

1k views

Proof of the fundamental theorem of arithmetic.

asked Feb 12, 2017 at 20:19

1 vote

1 answer

297 views

Fields and Galois theory. [duplicate]

asked Mar 4, 2017 at 19:45

1 vote

1 answer

155 views

There exists $n$ such that there exists an n-digit number M for which $M(10^n + 1)$ is a perfect square.

asked Jan 8, 2017 at 10:21

1 vote

2 answers

37 views

How to find the polynomial?

asked Jan 8, 2017 at 12:55

0 votes

1 answer

1k views

Books on Number Systems

asked May 7, 2017 at 19:17

0 votes

1 answer

128 views

A question on direct product of groups

asked Mar 6, 2018 at 19:50

0 votes

1 answer

134 views

A better solution for an old problem [duplicate]

asked Mar 9, 2018 at 19:50

0 votes

1 answer

103 views

For what values of ''$a$'' , does this Improper Integral converges? [duplicate]

asked May 14, 2018 at 7:31

0 votes

2 answers

132 views

How to show $f(x)$ is Riemann integrable?

asked Sep 22, 2017 at 2:47

0 votes

1 answer

896 views

A random trigonometry problem

asked Nov 2, 2018 at 18:26

0 votes

1 answer

251 views

A problem about the median of a triangle.

asked Dec 12, 2016 at 19:07

Stack Exchange Network

21 Questions

Does there exist such a positive integer?

Trace $A$ is an integer.

Books that gives geometric interpretation of topology.

A concern about the book Algebraic Topology by Fulton

Non-existence of non-trivial clopen set in $\mathbb R$ without using connectedness [duplicate]

Books on norms and $l_{p}$ spaces

Some reference on quadratic rings or introductory algebraic number theory. [duplicate]

Does this uncountable set of $\mathbb{R}\times\mathbb{R}$ contain a dense set?

A problem from elementary number theory

Is the operator invertible? [duplicate]

Proof of the fundamental theorem of arithmetic.

Fields and Galois theory. [duplicate]

There exists $n$ such that there exists an n-digit number M for which $M(10^n + 1)$ is a perfect square.

How to find the polynomial?

Books on Number Systems

A question on direct product of groups

A better solution for an old problem [duplicate]

For what values of ''$a$'' , does this Improper Integral converges? [duplicate]

How to show $f(x)$ is Riemann integrable?

A random trigonometry problem

A problem about the median of a triangle.