An antifundamental is a complex conjugate of a fundamental representation in Lie algebra.

J. Lepowsky has written:

'Elementary Lie algebra theory' -- subject(s): Lie algebras

Helmut Strade has written:

'Modular lie algebras and their representations' -- subject(s): Modules (Algebra), Lie algebras, Representations of algebras

Damien Calaque has written:

'Lectures on Duflo isomorphisms in Lie algebra and complex geometry' -- subject(s): Isomorphisms (Mathematics), Lie algebras

Detectives have to prove their theories. Mathematics is one method of proving their case. Numbers don't lie.