Signed combinatorial interpretations in algebraic combinatorics
<|reference_start|>Signed combinatorial interpretations in algebraic combinatorics: We prove the existence of signed combinatorial interpretations for several large families of structure constants. These families include standard bases of symmetric and quasisymmetric polynomials, as well as various bases in Schubert theory. The results are stated in the language of computational complexity, while the proofs are based on the effective M\"obius inversion.<|reference_end|>
@article{pak2024signed,
    title={Signed combinatorial interpretations in algebraic combinatorics},
    author={Igor Pak, Colleen Robichaux},
    journal={arXiv preprint arXiv:2406.13902},
    year={2024},
    archivePrefix={arXiv},
    eprint={2406.13902},
    primaryClass={math.CO cs.DM}
}