Mathematics
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markvs
  • Member for 4 years, 11 months
  • Last seen this week
  • math.vanderbilt.edu/sapirmv
  • Nashville, TN
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About

Centennial Professor of Mathematics, Vanderbilt University.

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All Questions Answers
Score Newest
answer
28
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
question
12
A sequence of quadratic equations
Jun 9, 2020
answer
12
How to solve $\log_2(x)+\log_{10}(x-7)=3$ using high-school math?
Jul 31, 2020
answer
12
If $a+\sqrt{a}=b+\sqrt{b}$ is $a=b$?
Aug 21, 2020
answer
12
Why is $\cos(\alpha+\beta) = \cos(\alpha)\cos(\beta)−\sin(\alpha)\sin(\beta)$?
Dec 15, 2021
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
Given an integer $n$, is there a derangement of $n$ items such that repeating it $n!$ times will reach all possible permutations?
Aug 14, 2020
answer
8
Finite group of even order has an element $g \neq e$ such that $g^ 2 = e$
Jun 17, 2020
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
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76
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
24
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

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