English

Vector space partitions of $\operatorname{GF}(2)^8$

Combinatorics 2023-02-20 v1

Abstract

A vector space partition P\mathcal{P} of the projective space PG(v1,q)\operatorname{PG}(v-1,q) is a set of subspaces in PG(v1,q)\operatorname{PG}(v-1,q) which partitions the set of points. We say that a vector space partition P\mathcal{P} has type (v1)mv12m21m1(v-1)^{m_{v-1}} \dots 2^{m_2}1^{m_1} if precisely mim_i of its elements have dimension ii, where 1iv11\le i\le v-1. Here we determine all possible types of vector space partitions in PG(7,2)\operatorname{PG}(7,2).

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Cite

@article{arxiv.2302.08939,
  title  = {Vector space partitions of $\operatorname{GF}(2)^8$},
  author = {Sascha Kurz},
  journal= {arXiv preprint arXiv:2302.08939},
  year   = {2023}
}

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27 pages