欧拉示性数 - 引用次数:1参考来源 - 规范势可分解理论及其应用 Decomposition Theory of Gauge Potential and Its Application
欧拉示性数 - 引用次数:1参考来源 - 二维曲面的欧拉示性数 THE EULER CHARACTERISTIC OF THE 2
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Euler characteristic
abstract:In mathematics, and more specifically in algebraic topology and polyhedral combinatorics, the Euler characteristic (or Euler–Poincaré characteristic) is a topological invariant, a number that describes a topological space's shape or structure regardless of the way it is bent. It is commonly denoted by \chi (Greek letter chi).
Based onthe generalizedmovingleastsquare method, a new Element-Free Galerkin (EFG) double-variable approximation is applied to dynamiccharacteristiccalculationandanalysisofEulerbeam.