\boxtimes
The \boxtimes operator is used to denote a specific type of product or multiplication, often in the context of vector spaces, tensor products, or other algebraic structures. It is represented by a box with a multiplication sign inside.
Tensor product of vector spaces V and W
V \boxtimes W
Box product of algebraic structures A and B
A \boxtimes B
Mapping involving the box product of X and Y into Z
X \boxtimes Y \to Z