Rahul Sarkar's user avatar
Rahul Sarkar's user avatar
Rahul Sarkar's user avatar
Rahul Sarkar
  • Member for 4 years, 3 months
  • Last seen more than a month ago
5 votes
1 answer
680 views

Rank of a block of an invertible matrix

3 votes
2 answers
515 views

Express an integer as ac + bd

3 votes
0 answers
140 views

Chebyshev Equioscillation Theorem in presence of extra conditions

3 votes
1 answer
247 views

Space filling curves

3 votes
1 answer
147 views

Quotient by freely acting group on Banach manifold

2 votes
1 answer
137 views

Cut out an open ball from a 2-manifold and glue the boundary

2 votes
1 answer
132 views

Polynomial approximation of continuous function with constraints

2 votes
2 answers
461 views

Polynomial approximation (Weierstrass theorem) with bounds

1 vote
1 answer
261 views

Adding $n$-tuples over groups

1 vote
1 answer
119 views

Find a circle that intersects the image of $[0,1]$ in a manifold $\mathcal{M}$ at only 1 point

1 vote
1 answer
364 views

Number of connected components of the set of invertible matrices over the reals when some of the matrix entries are fixed

1 vote
0 answers
57 views

Size of minimal generating set of a module generated by columns of a diagonal matrix with extra structure

1 vote
2 answers
326 views

Condition for equality of modules generated by columns of matrices

1 vote
0 answers
142 views

Bijective continuous map from subset of $\mathbb{R}^n$ to a manifold of dimension $n$

0 votes
0 answers
80 views

Existence of a Euler-like formula for the continuous image of $S^1$ in an orientable surface

0 votes
0 answers
125 views

Lower bounds on the length of circuits, depending on the number of times it crosses itself

0 votes
1 answer
290 views

Injectivity of analytic functions