Combinatorics

Discrete mathematics

Surjective function

Von Neumann algebra

Rank (graph theory)

Political science

Operator algebra

Pure mathematics

Von Neumann's theorem

Bijection

Mathematics

Hilbert space

Unitary state

Von Neumann architecture

Isometry (Riemannian geometry)

Multiplication operator

Journal of Mathematical Analysis and Applications

Tingley's problem asks whether every surjective isometry between the unit spheres of two Banach spaces admits an extension to a real linear surjective…

Tingley's problem through the facial structure of operator algebras