今天11月24，第11周的周六。博士阶段第一学期的课开始进入收尾，下周三考完AG，要马上开始接触双曲。初步计划如下： 今天11月29，第12周的周四，时间过得真快！！！繁忙的生活依然在今天持续，信息办OK，农行ok，财务处ok，系统显示ok，导入失败，我要赶紧把这些抛之脑后。明天开始终于有连续5天的自由时间，渴望是真正的自由，无琐无杂。接下来好好算计一下。

现阶段首要了解的 Gromov. Hyperbolic group. Hyperbolic manifold and discrete group

基础必备的 charisteristic class, spectral, index theorem.

暂时的问题及方向 when is there exist hyperbolic metric on a manifold with coners. how to define these mertic or find some good conditions on manifold. the relation between the isomorphism of the fundamental groups of manifolds with coners and the homeomorphism of manifolds. can we prove that the broel consjecture in this categorie, or just small covers.

Geometry: cruvature--constant negative sectional cruvature; CAT(k) space; folw;

Group: hyperbolic group; whitehead group of fundamental group.

Combination:

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