Combinatorics of a Statistical Model Constructed from the 2 x n Square Lattice

被引:0
|
作者
Feigin, B. L. [1 ]
Sopin, V. V. [1 ]
机构
[1] Higher Sch Econ Natl Res Univ, Moscow, Russia
关键词
hard-square model; square ladder; Euler characteristic; grading; weight function; square lattice;
D O I
10.1007/s10688-017-0196-x
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Various weight functions for the model of a 2 x n square lattice are defined so that the graded Euler characteristic for the complex corresponding to this model remain equal to the usual one. Differentials preserving these gradings and determining one-dimensional cohomology are also specified.
引用
收藏
页码:300 / 305
页数:6
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