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DTSTART:20230312T070000
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DTSTART:20231105T060000
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DTSTART;TZID=America/Toronto:20231116T140000
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URL:https://uwaterloo.ca/combinatorics-and-optimization/events/algebraic-an
 d-enumerative-combinatorics-seminar-alejandro
SUMMARY:Algebraic and Enumerative Combinatorics Seminar - Alejandro Morales
 \nBorrero
CLASS:PUBLIC
DESCRIPTION:TITLE: Linear relations and Lorentzian property of chromatic sy
 mmetric\nfunctions\n\nSPEAKER:\n Alejandro Morales Borrero\n\nAFFILIATION:
 \n Université du Québec à Montréal\n\nLOCATION:\n MC 6029\n\nThere wil
 l be a pre-seminar presenting relevant background at the\nbeginning gradua
 te level starting at 1:00 pm.\n\nABSTRACT: The chromatic symmetric functio
 n (CSF) of Dyck paths of\nStanley and its Shareshian Wachs q-analogue (q-C
 SF) have important\nconnections to Hessenberg varieties\, diagonal harmoni
 cs and LLT\npolynomials. In the\, so called\, abelian case they are relate
 d to\nplacements of non-attacking rooks by results of Stanley-Stembridge\n
 (1993) and Guay-Paquet (2013).
DTSTAMP:20260404T071751Z
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