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Devendra Singh Rana's user avatar
Devendra Singh Rana's user avatar
Devendra Singh Rana's user avatar
Devendra Singh Rana
  • Member for 7 years, 6 months
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  • India
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I am an Assistant Professor as well as a researcher who loves to learn new things and visualize everything.

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8
Prove that the set of invertible elements in a Banach algebra is open
Jan 20, 2018
7
Four Pillars of Functional Analysis
Apr 1, 2018
6
Step Function vs Simple Function
Oct 20, 2017
5
Dual space $X^*$ separates points of $X$
Dec 25, 2017
5
Four Pillars of Functional Analysis
Jul 15, 2018
4
Pulling Back product of Characteristic Classes
Feb 11, 2021
4
Importance of Measure Theory
May 26, 2018
4
Why $A$ invertible $\iff \det A\neq 0$
Jun 24, 2018
3
Example of group of order $p^3$
Dec 25, 2017
3
Is there an equation whose solution does not exist in the complex plane?
Sep 3, 2017