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Prahlad Vaidyanathan's user avatar
Prahlad Vaidyanathan's user avatar
Prahlad Vaidyanathan's user avatar
Prahlad Vaidyanathan
  • Member for 10 years, 11 months
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I am a working mathematician/teacher in India, with interests in Operator Algebras and their K-theory.

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48
Is $\{\tan(x) : x\in \mathbb{Q}\}$ a group under addition?
Oct 20, 2013
29
If $G$ is a group and $N$ is a nontrivial normal subgroup, can $G/N \cong G$?
Nov 17, 2013
24
Why is there never a proof that extending the reals to the complex numbers will not cause contradictions?
Aug 10, 2013
23
$f,g$ continuous from $X$ to $Y$. if they are agree on a dense set $A$ of $X$ then they agree on $X$
Oct 29, 2013
22
Closure in box and product topology
Oct 13, 2013
22
What is Haar Measure?
Sep 15, 2013
21
Multiplying two complex numbers using only three multiplications of real numbers
Aug 11, 2013
18
Distinguishing Inner Automorphisms
Sep 15, 2013
18
How to prove $\sum_{n=0}^{\infty} \frac{n^2}{2^n} = 6$?
Dec 5, 2013
17
Sum of closed and compact set in a TVS
Oct 5, 2013