## Mathematics Subject Classification – MSC2020

Reflection groups, reflection geometries [See also 20H10, 20H15] {For Coxeter groups, see 20F55} 1156

Classical or axiomatic geometry and physics [Should also be assigned at least one other classification number from Sections 70-XX through 86-XX] 359

Classical or axiomatic geometry and physics [Should also be assigned at least one other classification number from Sections 70-XX through 86-XX] 349