A Hypergraph with Commuting Partial Laplacians
Canadian mathematical bulletin, Tome 44 (2001) no. 4, pp. 385-397
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Let $F$ be a totally real number field and let $\text{G}{{\text{L}}_{n}}$ be the general linear group of rank $n$ over $F$ . Let $\mathfrak{p}$ be a prime ideal of $F$ and ${{F}_{\mathfrak{p}}}$ the completion of $F$ with respect to the valuation induced by $\mathfrak{p}$ . We will consider a finite quotient of the affine building of the group $\text{G}{{\text{L}}_{n}}$ over the field ${{F}_{\mathfrak{p}}}$ . We will view this object as a hypergraph and find a set of commuting operators whose sum will be the usual adjacency operator of the graph underlying the hypergraph.
Ballantine, Cristina M. A Hypergraph with Commuting Partial Laplacians. Canadian mathematical bulletin, Tome 44 (2001) no. 4, pp. 385-397. doi: 10.4153/CMB-2001-039-x
@article{10_4153_CMB_2001_039_x,
author = {Ballantine, Cristina M.},
title = {A {Hypergraph} with {Commuting} {Partial} {Laplacians}},
journal = {Canadian mathematical bulletin},
pages = {385--397},
year = {2001},
volume = {44},
number = {4},
doi = {10.4153/CMB-2001-039-x},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2001-039-x/}
}
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