Srijan

Member for 11 years, 4 months
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youtube.com/@DRBahubaliMaths
India

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abstract-algebra

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Questions

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89

Not every metric is induced from a norm

Jul 4, 2012

47

How to count number of bases and subspaces of a given dimension in a vector space over a finite field?

May 8, 2012

44

How to generate random symmetric positive definite matrices using MATLAB?

Apr 11, 2013

37

Real numbers equipped with the metric $ d (x,y) = | \arctan(x) - \arctan(y)| $ is an incomplete metric space

May 31, 2012

32

Understanding the definition of Cauchy sequence

May 23, 2012

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33

How to find all the maximal ideals of $\mathbb Z_n?$

Apr 19, 2013

32

Describe all ring homomorphisms

May 4, 2013

18

$I-AB$ be invertible $\Leftrightarrow$ $I-BA$ is invertible

Apr 18, 2013

17

$\mathbb{Q}$ is not open, is not closed, but is the countable union of closed sets.

Apr 18, 2013

14

Condition number of a rectangular matrix

Apr 28, 2013

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abstract-algebra

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linear-algebra

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matrices

70

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group-theory

58

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+30

Verify that the function $f(x) \geq g(x)$, where $f(x) = \cos (x)$ and $g(x) = 1 - \frac{x^2}{2}$ for $x \in (-\pi/2, \pi/2)$.

+28

Discuss the convergence of sequence $ (a_n )$ and series $\sum a_n$ where $a_n = \frac{1+2^{-2}+...+n^{-2}}{n}$

+30

Convergence of series $\sum\limits_{n=1}^\infty\sin\frac{1}{n^{3}} $

+10

Understanding equivalent metric spaces

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Nov 3, 2021
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