不等式
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同伦论No description
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同调论No description
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Topological spaceA topological space is the most general type of a mathematical space that allows for the definition of limits, continuity, and connectedness. Common t ...
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GroupoidA groupoid is a category where every morphism is an isomorphism. ...
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MagmaA magma (or binary algebraic structure, or, alternatively, a mono-binary algebra) $(S, \cdot)$ is a set equipped with a binary operation on it. ...
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Differential geometryNo description
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Ordered abelian groupAn abelian totally ordered group or an ordered abelian group is an abelian group (written multiplicatively) $G$ endowed with a total order, such that ...
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Commutative algebraNo description
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Field extensionNo description
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Vector spaceVector spaces generalize Euclidean vectors, which allow modeling of physical quantities, such as forces and velocity, that have not only a magnitude, ...
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MapIn many branches of mathematics, the term map is used to mean a function, sometimes with a specific property of particular importance to that branch. ...
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