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Keith Kearnes

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

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14 Does there exist a pair of infinite fields, the additive group of one isomorphic to the multiplicative group of the other? Sep 8 '16
13 Characteristic subgroups and automorphisms Oct 13 '15
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 '16
12 When do $P$ $\subseteq$ $N$ $\subseteq$ $M$ and $P \cong M$ imply $N \cong M$? Jun 30 '17
8 What is the cardinality of the set of equivalence classes of countable order types under bi-embeddability? Oct 9 '18
8 Can a single nontrivial identity imply associativity and commutativity? Jun 17 '20
7 A topology on algebras that coincides with a certain idea of density Mar 14 '17
7 Generalization of normal subgroups and ideals May 3 '17
7 Rings with a given number of (prime, maximal) ideals Oct 14 '16
7 If a ring R has one sided divisor of zero then show that the R has a both sided divisor of zero. Oct 27 '16
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