Packing 10 or 11 unit squares in a square. Stromquist, Walter — 2003 The Electronic Journal of Combinatorics [electronic only]
Envy-free cake divisions cannot be found by finite protocols. Stromquist, Walter — 2008 The Electronic Journal of Combinatorics [electronic only]
The maximum distance between two-dimensional Banach spaces. Walter Stromquist — 1981 Mathematica Scandinavica