Explicit positive type-uniform formula for all equivariant structure constants of Peterson Schubert calculus derived using only the Cartan matrix, solving the Harada-Tymoczko open problem for arbitrary Lie types and yielding a formula for mixed Φ-Eulerian numbers.
Theory 21 (2017), 132–150 (English)
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Structure constants of Peterson Schubert calculus
Explicit positive type-uniform formula for all equivariant structure constants of Peterson Schubert calculus derived using only the Cartan matrix, solving the Harada-Tymoczko open problem for arbitrary Lie types and yielding a formula for mixed Φ-Eulerian numbers.