My Interests area: Classical problems, Differential Geometry, Lie Group, Lie Algebra, Riemannian Geometry, Complex structure, Contact manifolds, Hermitian manifolds, etc.

Please donate for our project: old books to new

A Web page for collecting math books errata.

I like this mathematicians :

Past (Prof.)

Gauss, Riemann, Hilbert, Poincare, Hopf, Yano,

Present (Prof.)

R. Bryant, M. Gromov, C. Bar, Jeff Cheeger, Detlef Gromoll, Marcel Berger, M. Mirzakhani, G. Perelman, John M. Lee, John W. Milnor, Michael Spivak