40 citations · 40 across the 3 of their papers we have counts for
3 papers
math.HO2016
Non-Tiles and Walls - A Variant on the Heesch Problem
Erich Friedman, R. Nandakumar
The Heesch problem 'grades' polygons that fail to tile the plane in terms of the number of layers (or corollas) of copies of it that can be formed around a central unit. We study t…
nucl-th2001★ 40 cited
Evidence for partial chiral symmetry restoration from pionic atoms
E. Friedman
Extensive data on strong interaction effects in pionic atoms are analyzed with a density-dependent isovector scattering amplitude suggested recently by Weise to result from a densi…
cs.CG1999
Hinged Dissection of Polyominoes and Polyforms
Erik D. Demaine, Martin L. Demaine, David Eppstein +2
A hinged dissection of a set of polygons S is a collection of polygonal pieces hinged together at vertices that can be folded into any member of S. We present a hinged dissection o…