Tree Tensor Network States (TTNS)

Density Matrix Renormalization Group (DMRG) algorithm on TTNS for general Hamiltonian, especially for quantum chemistry

Dependencies

Boost C++ library: http://www.boost.org/ (Note: version 1.53.0 or later)
BTAS library: https://github.com/naokin/btas.git (Note: please pull from 'devel' branch)