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happymath
  • Member for 10 years, 5 months
  • Last seen more than a month ago
  • India
2 votes
1 answer
36 views

Calculating the limit over $\partial \Delta ^2$

2 votes
0 answers
62 views

Finding a map which induces isomorphism in Homology

2 votes
1 answer
75 views

Embedding a Riemann surface which is diffeomorphic to a punctured disc in $\mathbb{C}$

2 votes
0 answers
57 views

Completion of $R[x,x^{-1}]$ at the ideal $(1+x)$ [duplicate]

2 votes
2 answers
648 views

Calculating $2^{9999 }$ mod $100$ using Fermats little Theorem

2 votes
1 answer
55 views

Proving that $\lim \limits_{b \rightarrow \infty} F(1,b,1;\frac{z}{b})=e^z$

2 votes
1 answer
41 views

Proving that $\lim \limits_{b \rightarrow \infty} F(a,b,\frac{1}{2};\frac{z^2}{4ab})=\cosh z$

2 votes
2 answers
375 views

Prove that as $x\to\infty $, $\sum\limits_{p \leq x} \frac{1}{p \log \log p} \approx \log \log \log x$

2 votes
4 answers
98 views

Proving the inequality $\left(1+\frac{1}{n}\right)^x>1+\frac{x}{n+1}$

2 votes
1 answer
114 views

Calculating the limit $\lim \limits_{(x,y) \rightarrow (0,0)} \frac{f(x,y)}{g(x,y)}$

2 votes
1 answer
182 views

Finding a maximal complete subspace of Riemann Integrable functions on $[0,1]$

2 votes
1 answer
96 views

A question on Fourier Transform

2 votes
1 answer
3k views

Cardinality Of Borel Sets

2 votes
1 answer
2k views

How to prove that two curves are not path homotopic

2 votes
1 answer
656 views

outer measure problem when two sets are disjoint.

2 votes
1 answer
2k views

Proving that an Isolated Singularity is removable.

2 votes
1 answer
128 views

Proving that an analytic function is $0$

2 votes
1 answer
99 views

An equation which has solution modulo every integer

1 vote
0 answers
67 views

A question on convergence of derivative of power series

1 vote
1 answer
33 views

A problem on counting

1 vote
1 answer
598 views

A curve not homotopic to constant path but index of every point is zero.

1 vote
2 answers
81 views

primitive root of residue modulo p

1 vote
2 answers
2k views

Partitions of Natural Numbers [duplicate]

1 vote
1 answer
361 views

Is a butterfly network on 8-inputs planar?

1 vote
0 answers
832 views

Riesz Representation Theorem

1 vote
0 answers
74 views

functions which are almost continuous.

1 vote
1 answer
221 views

Calculating intersection number of $(x^2+y^2)^3-4x^2y^2=0 $ and $x=0$ at $(0,0)$

1 vote
0 answers
447 views

Proving that the Galois group of minimal polynomial of constructible number is a power of $2$

1 vote
1 answer
39 views

Proving that $[k[u]:k[u^l]]=1$ if $(l,[k[u]:k])=1$

1 vote
1 answer
62 views

Completion of a surface along a curve.