Mathematics
Keith Kearnes's user avatar
Keith Kearnes's user avatar
Keith Kearnes's user avatar
Keith Kearnes
  • Member for 7 years
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About

I am a member of the math department at the University of Colorado at Boulder.

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Top posts
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All Questions Answers
Score Newest
answer
15
Does there exist a pair of infinite fields, the additive group of one isomorphic to the multiplicative group of the other?
Sep 8, 2016
answer
14
When do $P$ $\subseteq$ $N$ $\subseteq$ $M$ and $P \cong M$ imply $N \cong M$?
Jun 30, 2017
answer
13
Characteristic subgroups and automorphisms
Oct 13, 2015
answer
12
Name of algebraic structure (group-like)
Jul 25, 2022
answer
12
$f(x) $ be the minimal polynomial of $a$ (algebraic element) over $\mathbb Q$ , let $b=f'(a) \in \mathbb Q(a)$ , then is $\mathbb Q(a)=\mathbb Q(b)$?
Aug 31, 2016
answer
9
Can a single nontrivial identity imply associativity and commutativity?
Jun 17, 2020
answer
9
Free lattice in three generators
Oct 8, 2018
answer
8
Clarification of the definition of a clone
Apr 22, 2022
answer
8
If a ring R has one sided divisor of zero then show that the R has a both sided divisor of zero.
Oct 27, 2016
answer
8
What is the cardinality of the set of equivalence classes of countable order types under bi-embeddability?
Oct 9, 2018
Top network posts
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32
A group allowing exactly 7 group topologies
29
Non isomorphic finite rings with isomorphic additive and multiplicative structure
20
Does the hypergraph of subgroups determine a group?
20
Is every complete Boolean algebra isomorphic to the quotient of a powerset algebra?
19
Varieties where every algebra is free

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