LLT e-positivity conjecture for circular Dyck diagrams
Let be a circular Dyck diagram with some strict corner edges. Circular LLT e-positivity conjecture. Then is -positive with unimodal coefficients. This is the paper's main conjecture, supported by several results, but remains open.
References
Primary source
Per Alexandersson and Greta Panova, “LLT polynomials, chromatic quasisymmetric functions and graphs with cycles”, arXiv:1705.10353 (2017).
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