“ThinDoubleTrack”的概念、定义、习题解题方法及翻译-数学辞典

单词	ThinDoubleTrack
释义	thin double track Definition 0.1. Let us consider a square map $u:I^{2}\\longrightarrow X$ in a topological space $X$ .Then the homotopy class of $u$ relative to the boundary $\\partial{I}^{2}$ of $I$ is called adouble track. A double track is thin if it has a thin representative.
随便看	PresburgerArithmetic Presburger arithmetic PrescisiveAbstraction prescisive abstraction PresentationOfAGroup presentation of a group PresentationOfInverseMonoidsAndInverseSemigroups presentation of inverse monoids and inverse semigroups PresentationsOfAlgebraicObjects presentations of algebraic objects PresentValue present value PreservationAndReflection preservation and reflection PreservationOfUniformIntegrability preservation of uniform integrability PresheafOfATopologicalBasis presheaf of a topological basis PrimalElement primal element Primality primality PrimalityCertificate primality certificate PrimalityTesting

数学辞典收录了18232条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。

thin double track