Mathematics
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nekodesu
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question
18
Proof of "the continuous image of a connected set is connected"
Dec 13, 2015
question
15
If A is infinite, does there have to exist a subset of A that is equivalent to A?
Nov 12, 2015
question
10
Use the identity $\cos 3\theta = 4 \cos^3\theta- 3 \cos \theta$ to solve the cubic equation $t^3 + pt + q = 0$ when $p, q \in \mathbb{R}$.
Dec 31, 2015
question
8
Is a straight line closed in $\mathbb{R}^2$ with no interior points?
Nov 4, 2015
question
8
What is the best way to compute the pseudoinverse of a matrix?
Nov 22, 2015
question
7
A is a product of two self-adjoint matrices if and only if A is similar to adjoint of A?
Dec 4, 2015
question
7
Why is the statement "all vector space have a basis" is equivalent to the axiom of choice? [duplicate]
Feb 11, 2016
question
6
Evaluate the integral $\int_{-\infty}^{\infty} e^{-x^2} e^{ix} dx$
Apr 25, 2018
question
5
Question on Hartshorne II.6.1
Aug 30, 2018
question
5
Given any function $g(x): \mathbb{R} \rightarrow \mathbb{R}$, find a function $f(x)$ such that $f(f(x)) = g(x)$.
Aug 6, 2016
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