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Mathematics
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markvs
  • Member for 7 years, 6 months
  • Last seen more than 2 years ago
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Centennial Professor of Mathematics, Vanderbilt University.

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View all questions and answers
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31
Does existence of a left or right inverse imply existence of inverses?
Jul 9, 2020
answer
26
Proof of Infinitude of Primes by Euler's Product Formula is Circular?
Jul 5, 2020
answer
13
How to solve $\log_2(x)+\log_{10}(x-7)=3$ using high-school math?
Jul 31, 2020
question
12
A sequence of quadratic equations
Jun 9, 2020
answer
11
If $a+\sqrt{a}=b+\sqrt{b}$ is $a=b$?
Aug 21, 2020
answer
11
Why is $\cos(\alpha+\beta) = \cos(\alpha)\cos(\beta)−\sin(\alpha)\sin(\beta)$?
Dec 15, 2021
answer
9
What does the Outer automorphism group act on? If an automorphism preserves conjugacy classes, is it inner?
Mar 4, 2022
answer
9
Prove that $4^m + 11^n = x^2$ with $(m,n,x) \in \mathbb{N}^3$ does not admit solutions.
Dec 8, 2021
answer
8
In a nonabelian finite group $G$, if a prime $p$ divides order of $|G|$, $p$ divides order of centralizer of some element which is not in the center
Jun 29, 2020
answer
8
Prove that $G$ is commutative knowing that $G$ is a group.
Sep 29, 2020
Top network posts
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77
Should I correct a mistake for the camera-ready version even though the reviewers missed that mistake?
32
Is authorship justified for performing an experiment 7 years ago, which is published? We just used samples from that experiment for a new analysis
25
Are groups determined by their morphisms from solvable groups?
22
What happens to rejected papers?
15
Subsets of the integers which are closed under multiplication