Tensor Networks

Type: Concept

As of November 2026, Tensor Networks has been mentioned in one podcast episode on Simons Foundation (Jan 2026). Used as a numerical method to study the spectrum and ground state of adjoint QCD, especially for small values of n.

A tensor network is a representation of a high-dimensional array or multilinear map as a collection of smaller tensors whose indices are contracted according to a graph: vertices represent tensors, an edge joining two vertices represents an index that is summed over, and an open edge represents a free index of the resulting object; the dimension of an internal edge is called its bond dimension. Tensor networks can represent many-body wave functions and density operators, partition functions, Ham