2017•Electronic Journal of Linear AlgebraOpen access

Projective partitions of vector spaces

Mohammad Javaheri

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Abstract

Given infinite-dimensional real vector spaces $V,W$ with $|W| \leq |V|$, it is shown that there exists a collection of subspaces of $V$ that are isomorphic to $W$, mutually intersect only at 0, and altogether cover $V$.

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Given infinite-dimensional real vector spaces $V,W$ with $|W| \leq |V|$, it is shown that there exists a collection of subspaces of $V$ that are isomorphic to $W$, mutually intersect only at 0, and altogether cover $V$.

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Available abstract

Given infinite-dimensional real vector spaces $V,W$ with $|W| \leq |V|$, it is shown that there exists a collection of subspaces of $V$ that are isomorphic to $W$, mutually intersect only at 0, and altogether cover $V$.

Key concepts: Mathematics, Linear subspace, Cover (algebra), Projective test, Vector space, Pure mathematics, Combinatorics, Discrete mathematics

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