FPSAC 2021

13/01/2022–11 - 20:00 - 10:00הוספה ליומן 2022-01-11 10:00:00 2022-01-13 20:00:00 FPSAC 2021 The link to the morning-afternoon talks is: https://us02web.zoom.us/j/87613553925   The link to the FPSAC talks is: https://us02web.zoom.us/j/86199907214     Tuesday, Jan. 11 (online) 10:00-10:50 Arvind Ayyer: Interacting Particle Systems and Symmetric Functions  (abstract) 11:00-11:25 Xi Chen, Bishal Deb, Alexander Dyachenko, Tomack Gilmore and Alan Sokal: Coefficientwise Total Positivity of Some Matrices Defined by Linear Recurrences  (abstract)(extended abstract) 11:30-11:55 Mrigendra Singh Kushwaha, K. N. Raghavan and Sankaran Viswanath: The saturation Problem for Refined Littlewood-Richardson Coefficients  (abstract)(extended abstract) 12:00-12:25 Guillaume Chapuy and Maciej Dołęga: Non-Orientable Branched Coverings, b-Hurwitz Numbers, and Positivity for Multiparametric Jack Expansions  (abstract)(extended abstract)   17:00-17:50 John Shareshian: Hessenberg varietes and combinatorics  (abstract) 18:00-18:25 Sarah Brauner: Eulerian Representations for Real Reflection Groups  (abstract)(extended abstract) 18:30-18:55 Christian Gaetz and Yibo Gao: The 1/3-2/3 Conjecture for Coxeter Groups  (abstract)(extended abstract) 19:05-19:30 Christian Gaetz, Yibo Gao, Pakawut Jiradilok, Gleb Nenashev and Alexander Postnikov: The Maximum Multiplicity of a Generator in a Reduced Word  (abstract)(extended abstract) 19:35-20:00 Theo Douvropoulos, Alejandro Morales and Joel Lewis: Hurwitz Numbers for Reflection Groups  (abstract)(extended abstract) Wednesday, Jan. 12 (online) 10:00-10:50 Anna de Mier: Approximation and Decomposition of Clutters  (abstract) 11:00-11:25 Nicholas Williams: The First Higher Stasheff-Tamari Orders Are Quotients of the Higher Bruhat Orders  (abstract)(extended abstract) 11:30-11:55 Doriann Albertin, Vincent Pilaud and Julian Ritter: Type Cones of Permutree Fans (abstract)(extended abstract) 12:00-12:25 Arnau Padrol, Vincent Pilaud and Julian Ritter: Shard Polytopes  (abstract)(extended abstract)   17:00-17:50 Karola Mészáros: Schubert Polynomials from a Polytopal Point of View  (abstract) 18:00-18:25 Cristian Lenart, Satoshi Naito and Daisuke Sagaki: A Combinatorial Chevalley Formula for Semi-Infinite Flag Manifolds and its Applications  (abstract)(extended abstract) 18:30-18:55 Matias von Bell, Rafael S. González D’León, Francisco Mayorga Cetina and Martha Yip: On Framed Triangulations of Flow Polytopes, the ν-Tamari Lattice and Young’s Lattice  (abstract)(extended abstract) 19:05-19:30 Jose Bastidas: The Polytope Algebra of Generalized Permutahedra  (abstract)(extended abstract) 19:35-20:00 Michaela Coleman, Anton Dochtermann, Nathan Geist and Suho Oh: Completing and Extending Shellings of Vertex Decomposable Complexes  (abstract)(extended abstract) Thursday, Jan. 13 (online) 17:00 An adjacent online workshop: Algebraic Combinatorics and Mathematical Physics המחלקה למתמטיקה mathoffice@math.biu.ac.il Asia/Jerusalem public

The link to the morning-afternoon talks is:

https://us02web.zoom.us/j/87613553925  

The link to the FPSAC talks is:

https://us02web.zoom.us/j/86199907214  

 

Tuesday, Jan. 11 (online)

  • 10:00-10:50
    Arvind Ayyer: Interacting Particle Systems and Symmetric Functions  (abstract)
  • 11:00-11:25
    Xi Chen, Bishal Deb, Alexander Dyachenko, Tomack Gilmore and Alan Sokal: Coefficientwise Total Positivity of Some Matrices Defined by Linear Recurrences  (abstract)(extended abstract)
  • 11:30-11:55
    Mrigendra Singh Kushwaha, K. N. Raghavan and Sankaran Viswanath: The saturation Problem for Refined Littlewood-Richardson Coefficients  (abstract)(extended abstract)
  • 12:00-12:25
    Guillaume Chapuy and Maciej Dołęga: Non-Orientable Branched Coverings, b-Hurwitz Numbers, and Positivity for Multiparametric Jack Expansions  (abstract)(extended abstract)
     
  • 17:00-17:50
    John Shareshian: Hessenberg varietes and combinatorics  (abstract)
  • 18:00-18:25
    Sarah Brauner: Eulerian Representations for Real Reflection Groups  (abstract)(extended abstract)
  • 18:30-18:55
    Christian Gaetz and Yibo GaoThe 1/3-2/3 Conjecture for Coxeter Groups  (abstract)(extended abstract)
  • 19:05-19:30
    Christian Gaetz, Yibo Gao, Pakawut Jiradilok, Gleb Nenashev and Alexander Postnikov: The Maximum Multiplicity of a Generator in a Reduced Word  (abstract)(extended abstract)
  • 19:35-20:00
    Theo Douvropoulos, Alejandro Morales and Joel Lewis: Hurwitz Numbers for Reflection Groups  (abstract)(extended abstract)

Wednesday, Jan. 12 (online)

  • 10:00-10:50
    Anna de MierApproximation and Decomposition of Clutters  (abstract)
  • 11:00-11:25
    Nicholas Williams: The First Higher Stasheff-Tamari Orders Are Quotients of the Higher Bruhat Orders  (abstract)(extended abstract)
  • 11:30-11:55
    Doriann Albertin, Vincent Pilaud and Julian Ritter: Type Cones of Permutree Fans (abstract)(extended abstract)
  • 12:00-12:25
    Arnau Padrol, Vincent Pilaud and Julian RitterShard Polytopes  (abstract)(extended abstract)
     
  • 17:00-17:50
    Karola MészárosSchubert Polynomials from a Polytopal Point of View  (abstract)
  • 18:00-18:25
    Cristian Lenart, Satoshi Naito and Daisuke Sagaki: A Combinatorial Chevalley Formula for Semi-Infinite Flag Manifolds and its Applications  (abstract)(extended abstract)
  • 18:30-18:55
    Matias von Bell, Rafael S. González D’León, Francisco Mayorga Cetina and Martha Yip: On Framed Triangulations of Flow Polytopes, the ν-Tamari Lattice and Young’s Lattice  (abstract)(extended abstract)
  • 19:05-19:30
    Jose Bastidas: The Polytope Algebra of Generalized Permutahedra  (abstract)(extended abstract)
  • 19:35-20:00
    Michaela Coleman, Anton Dochtermann, Nathan Geist and Suho Oh: Completing and Extending Shellings of Vertex Decomposable Complexes  (abstract)(extended abstract)

Thursday, Jan. 13 (online)

תאריך עדכון אחרון : 10/01/2022