On the difficulty of finding spines

作者：Lacoste Cyril^*

来源：Comptes Rendus Mathematique, 2018, 356(2): 141-145.

DOI：10.1016/j.crma.2018.01.007

We prove that the set of symplectic lattices in the Siegel space h(g) whose systoles generate a subspace of dimension at least 3 in R-2g does not contain any Sp(2g, Z)-equivariant deformation retract of hg.

• 出版日期2018-2