Ken W. Smith

Huntsville, Texas, USA

http://www.shsu.edu/~kws006/

I am a mathematics professor at Sam Houston State University, active in algebra & combinatorics and in directing undergraduate research.

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When is the product $(1+1)(1+4)…(1+n^2)$ a perfect square?

nt.number-theory prime-numbers asked Dec 27, 2013 at 14:08

mathoverflow.net

12 votes

What are smallest finite images of triangle groups?

gr.group-theory finite-groups geometric-group-theory asked Sep 6, 2014 at 14:46

mathoverflow.net

10 votes

Which finite nonabelian groups have all their quaternionic representations of degree one?

rt.representation-theory finite-groups quaternions asked Jun 6, 2014 at 17:36

mathoverflow.net

10 votes

Is the derivative of the characteristic polynomial equal to the sum of characteristic polynomial of principal submatrices?

linear-algebra matrices graph-theory asked Oct 17, 2014 at 21:54

math.stackexchange.com

7 votes

Reconstructing graphs with vertices of degree $k$ and $k-1$

co.combinatorics graph-theory graph-reconstruction asked Dec 17, 2011 at 16:36

mathoverflow.net

6 votes

Is the largest normal abelian subgroup of a finite 2-group $P$ of order at least the square root of the order of $P$?

gr.group-theory finite-groups p-groups asked Aug 7, 2022 at 19:12

mathoverflow.net

5 votes

How do I force GAP give me a true random number?

random gap asked Feb 13, 2022 at 21:15

math.stackexchange.com

5 votes

Graphs which are "distance-regular" with respect to a vertex (but not distance-regular)

co.combinatorics graph-theory algebraic-graph-theory spectral-graph-theory asked Mar 25, 2012 at 19:30

mathoverflow.net

Top Answers

142

What's an intuitive way to think about the determinant?

math.stackexchange.com

When asked to by a religious university, how can an instructor make a mathematics course spiritually uplifting?

matheducators.stackexchange.com

Does the number pi have any significance besides being the ratio of a circle's diameter to its circumference?

math.stackexchange.com

What should I do with kissing problem?

matheducators.stackexchange.com

What is the key to success for a mathematician?

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Integers $n$ such that $i(i+1)(i+2) \cdots (i+n)$ is real or pure imaginary

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Instances where an existence result precedes the constructive version

mathoverflow.net

Making standards for "showing work" explicitly clear to students

matheducators.stackexchange.com

Status of the Hadamard Circulant conjecture

mathoverflow.net

Names of finite groups

mathoverflow.net

Is it possible to do a self guided hike through Grand Canyon?

travel.stackexchange.com

"We already passed that course!" How to overcome this?

matheducators.stackexchange.com

Counterexamples in algebra?

mathoverflow.net