Ramanujan complexes of typeÃd

Ramanujan complexes of typeÃd
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拉马努金型复合体

DOI:
10.1007/bf02772543
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发表时间:
2005
影响因子:
1
通讯作者:
U. Vishne
U. Vishne
中科院分区:
数学2区
文献类型:
--
作者:
A. Lubotzky;Beth Samuels;U. Vishne

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我们定义并构建了Ramanujan复合体。这些是单纯复形,它们是Ramanujan图的高维类似图(在[LPS]中构造)。它们是作为与PgLd(F)相联系的d−1型建筑物的商得到的,其中F是具有正特征的局部域。
We define and construct Ramanujan complexes. These are simplicial complexes which are higher dimensional analogues of Ramanujan graphs (constructed in [LPS]). They are obtained as quotients of the buildings of typeÃd−1 associated with PGLd(F) whereF is a local field of positive characteristic.