half integer representation dimension math l math suppose take tensor product representation two representations labels math l math math l math assume math l geq l math tensor product decomposes direct sum one copy representation label math l math math l math ranges math l l math math l l math increments example math l l math values math l math occur thus tensor product representation dimension math l times l times math decomposes direct sum dimensional representation math l math dimensional
Formal science Mathematics Pure mathematics Algebra Representation theory