2 papers
math.CO2005
Graphical condensation of plane graphs: a combinatorial approach
Weigen Yan, Yeong-Nan Yeh, Fuji Zhang
The method of graphical vertex-condensation for enumerating perfect matchings of plane bipartite graph was found by Propp (Theoret. Comput. Sci. 303(2003), 267-301), and was genera…
cond-mat.stat-mech2005
Nonextensibility of energy in Tsallis' statistics and the zeroth law of thermodynamics
Congjie Ou, Jincan Chen
Two important problems existing in Tsallis' statistics are investigated, where one is whether energy is extensive or not, and the other is whether it is necessary to introduce the…