Enumeration of Even and Odd Chord Diagrams
IF 0.58
Q3 Engineering
引用次数: 0
Abstract
A general method for the enumeration of various classes of chord diagrams with even and odd numbers of chord intersections is considered. The method is based on the calculation of the Pfaffian and Hafnian of the constraint matrix characterizing a class of diagrams.
偶数和奇数和弦图列举
摘要 本文考虑了一种枚举具有偶数和奇数弦交点的各类弦图的一般方法。该方法基于计算表征一类图的约束矩阵的普法因子（Pfaffian）和哈夫尼因子（Hafnian）。
本文章由计算机程序翻译，如有差异，请以英文原文为准。
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来源期刊
Journal of Applied and Industrial Mathematics
Engineering-Industrial and Manufacturing Engineering
CiteScore
1.00
自引率
0.00%
发文量
16
期刊介绍：
Journal of Applied and Industrial Mathematics is a journal that publishes original and review articles containing theoretical results and those of interest for applications in various branches of industry. The journal topics include the qualitative theory of differential equations in application to mechanics, physics, chemistry, biology, technical and natural processes; mathematical modeling in mechanics, physics, engineering, chemistry, biology, ecology, medicine, etc.; control theory; discrete optimization; discrete structures and extremum problems; combinatorics; control and reliability of discrete circuits; mathematical programming; mathematical models and methods for making optimal decisions; models of theory of scheduling, location and replacement of equipment; modeling the control processes; development and analysis of algorithms; synthesis and complexity of control systems; automata theory; graph theory; game theory and its applications; coding theory; scheduling theory; and theory of circuits.
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