TY - JOUR AU - Cirac, J. Ignacio AU - Garre Rubio, José AU - Pérez García, David PY - 2019 DO - 10.1007/s13163-019-00318-x SN - 1139-1138 UR - https://hdl.handle.net/20.500.14352/12889 T2 - Revista Matemática Complutense AB - Projected entangled pair states (PEPS) are used in practice as an efficient parametrization of the set of ground states of quantum many body systems. The aim of this paper is to present, for a broad mathematical audience, some mathematical questions... LA - eng M2 - 579 PB - Springer KW - Quantum many body physics KW - Tensor network states KW - Mathematical open problems TI - Mathematical open problems in projected entangled pair states TY - journal article VL - 32 ER -