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Exponentially large mu-coefficients

Tom Goertzen, Abel Lacabanne, Daniel Tubbenhauer, Pedro Vaz

Source record

Source: arXiv

Published: Oct 26, 2026

arXiv: 2610.34982

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Source abstract

Using webs, we prove that Kazhdan-Lusztig mu-coefficients for symmetric groups grow at least exponentially with the rank, already for pairs labeled by a three-row rectangle.

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Exponentially large mu-coefficients — Mathematical Frontier Network