Gordon Royle

Perth

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How do you select an interesting and reasonable problem for a student?

soft-question advice asked Apr 28, 2010 at 12:00

mathoverflow.net

69 votes

How to add some visual style and pizzazz to course notes?

packages formatting typography asked Nov 10, 2011 at 3:25

tex.stackexchange.com

45 votes

Can a problem be simultaneously polynomial time and undecidable?

co.combinatorics graph-theory computational-complexity mathematical-philosophy graph-minors asked Dec 2, 2010 at 8:59

mathoverflow.net

43 votes

True by accident (and therefore not amenable to proof)

co.combinatorics soft-question asked Aug 25, 2011 at 11:31

mathoverflow.net

34 votes

Which graphs on $n$ vertices have the largest determinant?

reference-request co.combinatorics graph-theory matrices spectral-graph-theory asked Mar 11, 2021 at 13:49

mathoverflow.net

33 votes

In general, do students like or dislike classes that are taught jointly?

teaching lecturer asked May 22 at 1:41

academia.stackexchange.com

22 votes

Zero curves of Tutte Polynomials?

co.combinatorics graph-theory polynomials tutte-polynomial asked Oct 30, 2015 at 3:35

mathoverflow.net

21 votes

Is there a way of canonically labelling permutation groups?

gr.group-theory algorithms computer-algebra permutation-groups computational-group-theo asked Mar 3, 2012 at 5:29

mathoverflow.net

21 votes

"Best practice" innovative teaching in mathematics

soft-question teaching asked Nov 2, 2011 at 5:42

math.stackexchange.com

21 votes

Math Blogging - what is a decent set up?

technology-in-education software asked Jun 24, 2015 at 3:51

matheducators.stackexchange.com

Top Answers

Most memorable titles

mathoverflow.net

Every mathematician has only a few tricks

mathoverflow.net

Prominent non-mathematical work of mathematicians

mathoverflow.net

What's a great christmas present for someone with a PhD in Mathematics?

mathoverflow.net

Algebraic proof of Five-Color Theorem using chromatic polynomials by Birkhoff and Lewis in 1946

mathoverflow.net

How often do people read the work that they cite?

mathoverflow.net

How Much Work Does it Take to be a Successful Mathematician?

mathoverflow.net

Is this graph Hamiltonian?

mathoverflow.net

When should a result be made into a paper?

mathoverflow.net

Could the 4-color theorem be proven by contracting snarks?

mathoverflow.net

is it possible to have two non-isomorphic non-regular graphs with the same adjacent spectrum and the same laplacian spectrum?

mathoverflow.net

Is the "Moebius Stairway" Graph Already Known?

mathoverflow.net

Smallest strongly regular graph whose automorphism group is not vertex transitive?

mathoverflow.net

How do professional mathematicians learn new things?

mathoverflow.net

Is there any fast implementation of four color theorem in Python?

mathoverflow.net

Does graph asymmetry imply all eigenvalues of the graph Laplacian are simple?

mathoverflow.net

A labelling of the vertices of the Petersen graph with integers

mathoverflow.net

Algorithm to find all (up to isomorphism) perfect matchings of quartic plane graphs

mathoverflow.net

Can a graph be reconstructed from its cycle lengths?

mathoverflow.net

Cheeger Numbers for 3-regular Graphs

mathoverflow.net

Cubic almost-vertex-transitive graphs with given spanning tree

mathoverflow.net

What is the smallest uniquely hamiltonian graph with minimum degree at least 3?

mathoverflow.net

What is the smallest 4-chromatic graph of girth 5?

mathoverflow.net

The parity of the maximal number of consecutive 1s in the binary expansion of an integer

mathoverflow.net

Smallest triangle-free graph with chromatic number 5

mathoverflow.net

Is there a characterization of CI-groups of order less than 100?

mathoverflow.net

Free open-access peer-reviewed math journals

mathoverflow.net

Critical with respect to chromatic, but not Hadwiger number

mathoverflow.net

Graph homomorphisms and line graph

mathoverflow.net

Algorithms for calculating R(5,5) and R(6,6)

mathoverflow.net