Talks

Conference Talks and Posters

• [07/25/22] Chapoton's Triangles, Lattice Paths and Reciprocity.
  At Matroids, Ordered Sets, Arrangements in Combinatorics in Manchester, UK (online). (Talk)
• [07/19/22] Shuffle Lattices and Bubble Lattices.
  At the 34^th International Conference on Formal Power Series and Algebraic Combinatorics in Bangalore, India. (Poster)
• [07/19/22] Parabolic Tamari Lattices in Linear Type B.
  At the 34^th International Conference on Formal Power Series and Algebraic Combinatorics in Bangalore, India. (Poster)
• [06/07/22] Shuffle Lattices and Bubble Lattices
  At AlCoVE (online). (Poster)
• [01/18/21] F- and H-Triangles for ν-Associahedra
  At the 33^rd International Conference on Formal Power Series and Algebraic Combinatorics in Ramat-Gan, Israel (online).  (Poster)
• [09/07/21] Shuffle Lattices and Bubble Lattices at the 86^th Séminaire Lotharingien de Combinatoire in Bad Boll, Germany. (Talk)
• [06/15/21] F- and H-Triangles for ν-Associahedra
  At AlCoVE (online).  (Poster)
• [07/01/19] Ballot-Noncrossing Partitions
  At the 31^st International Conference on Formal Power Series and Algebraic Combinatorics in Ljubljana, Slovenia. (Poster)
• [03/01/19] The Core Label Order of a Congruence-Uniform Lattice
  At the 97^th Arbeitstagung Allgemeine Algebra in Vienna, Austria. (Talk)
• [07/17/18] Connectivity Properties of Factorization Posets in Generated Groups
  At the 30^th International Conference on Formal Power Series and Algebraic Combinatorics in Hanover, USA. (Poster)
• [07/16/18] On the Lattice Property of Shard Orders
  At the 30^th International Conference on Formal Power Series and Algebraic Combinatorics in Hanover, USA. (Poster)
• [08/28/17] Two Posets of Noncrossing Partitions
  At Eurocomb 2017 in Vienna, Austria. (Talk)
• [07/09/17] The Alternating Group Generated by 3-Cycles
  At the 29^th International Conference on Formal Power Series and Algebraic Combinatorics in London, UK. (Poster)
• [03/29/17] Two Posets of Noncrossing Partitions Coming From Undesired Parking Spaces
  At the 78^th Séminaire Lotharingien de Combinatoire in Ottrott, France. (Talk)
• [07/04/16] Symmetric Chain Decompositions and the Strong Sperner Property for Noncrossing Partition Lattices
  At the 28^th International Conference on Formal Power Series and Algebraic Combinatorics in Vancouver, Canada. (Poster)
• [04/05/16] Symmetric Chain Decompositions and the Strong Sperner Property for Noncrossing Partition Lattices
  At the 76^th Séminaire Lotharingien de Combinatoire in Ottrott, France. (Talk)
• [09/22/15] Symmetric Chain Decompositions and the Strong Sperner Property for Noncrossing Partition Lattices
  At the Journées du GT Combinatoire Algébrique du GDR IM in Palaiseau, France. (Talk)
• [07/06/15] Tamari Lattices for Parabolic Quotients of the Symmetric Group
  At the 27^th International Conference on Formal Power Series and Algebraic Combinatorics in Daejeon, South Korea. (Poster)
• [03/23/15] Tamari Lattices for Parabolic Quotients of the Symmetric Group
  At the 74^th Séminaire Lotharingien de Combinatoire in Ellwangen, Germany. (Talk)
• [02/04/15] Poset-Topological Aspects of Noncrossing Partition Lattices
  At the Journées de Combinatoire de Bordeaux in Bordeaux, France. (Talk)
• [11/11/14] The m-Cover Posets and the Strip-Decomposition of m-Dyck Paths
  At the IMA Workshop on Geometric and Enumerative Combinatorics in Minneapolis, USA. (Poster)
• [07/31/14] The m-Cover Posets and the Strip-Decomposition of m-Dyck Paths
  At the 26^th International Conference on Formal Power Series and Algebraic Combinatorics in Chicago, USA. (Poster)
• [03/24/14] On m-Cover Posets
  At the 72^nd Séminaire Lotharingien de Combinatoire in Lyon, France. (Talk)
• [09/10/13] On the Topology of the Cambrian Semilattices
  At the INdAM Conference on Combinatorial Methods in Topology and Algebra in Cortona, Italy. (Poster)
• [06/24/13] On the Topology of the Cambrian Semilattices
  At the 25^th International Conference on Formal Power Series and Algebraic Combinatorics in Paris, France. (Poster)
• [05/23/13] Proper Mergings of Stars and Chains are Counted by Sums of Antidiagonals in Certain Convolution Arrays
  At the 11^th International Conference on Formal Concept Analysis in Dresden, Germany. (Talk)
• [03/26/13] Counting Proper Mergings
  At the 70^th Séminaire Lotharingien de Combinatoire in Ellwangen, Germany. (Talk)
• [09/10/12] The Cambrian Lattices are EL-Shellable
  At the 69^th Séminaire Lotharingien de Combinatoire in Strobl, Austria. (Talk)
• [07/31/12] EL-Shellability of Generalized Noncrossing Partitions Associated to Well-Generated Complex Reflection Groups
  At the 24^th International Conference on Formal Power Series and Algebraic Combinatorics in Nagoya, Japan. (Poster)
• [03/26/12] EL-Shellability of the m-Tamari Lattices
  At the 68^th Séminaire Lotharingien de Combinatoire in Ottrott, France. (Talk)
• [02/23/11] Core – Creating Role Diagrams and More
  At the iFCA Workshop in Dresden, Germany. (Talk)
• [10/21/10] Using Bonds for Describing Method Dispatch in Role-Oriented Software Models
  At the 7^th International Conference on Concept Lattices and Their Applications in Sevilla, Spain. (Talk)
• [03/18/10] Describing Role Models in Terms of Formal Concept Analysis
  At the 8^th International Conference on Formal Concept Analysis in Agadir, Morocco. (Talk)

Seminar Talks

• [07/05/21] Connectivity Properties of Factorization Posets.
  At the Oberseminar Arrangements and Symmetries (online), Ruhr-Universität Bochum. (Slides)
• [06/04/21] Hochschild Lattices and Shuffle Lattices.
  At the International Seminar (online), TU Dresden. (Slides)
• [05/25/21] Posets from Polytopes and Refined Face Enumeration.
  At the Oberseminar DIGO  (online), Goethe-Universität Frankfurt. (Slides)
• [05/20/21] Refined Face Enumeration in ν-Associahedra.
  At the Discrete Geometry Seminar (online), FU Berlin. (Slides)
• [03/02/21] Hochschild Lattices, Shuffle Lattices and the FHM-Correspondence
  At the AG Diskrete Mathematik (online), TU Wien. (Slides)
• [03/03/20] Parabolic Cataland – Origins
  At the Séminaire du LIGM, Université Gustave Eiffel. (Slides)
• [11/15/19] Parabolic Cataland – Origins
  At the International Seminar, TU Dresden.
• [06/28/19] Parabolic Cataland – A Type-A Story
  At the International Seminar, TU Dresden. (Slides)
• [04/05/19] Parabolic Cataland – A Type-A Story
  At the Séminaire Combinatoire Énumérative et Analytique, Université Paris-Diderot. (Slides)
• [03/05/19] Parabolic Cataland – A Type-A Story
  At the AG Diskrete Mathematik, TU Wien.
• [02/02/18] The Alternate Order of Congruence-Uniform Lattices
  At the International Seminar, TU Dresden.
• [12/07/17] The Alternating Group and Noncrossing Partitions
  At the Discrete Geometry Seminar, FU Berlin.
• [06/02/17] Parking Functions and Noncrossing Partitions
  At the International Seminar, TU Dresden.
• [11/15/16] Connectivity Properties of Factorization Posets
  At the Oberseminar Gruppen und Geometrie, Universität Bielefeld.
• [11/04/16] On Noncrossing Partitions
  At the International Seminar, TU Dresden.
• [05/24/16] On Noncrossing Partitions for the Alternating Group
  At the AG Diskrete Mathematik, TU Wien.
• [04/19/16] On Noncrossing Partitions for the Alternating Group
  At the Séminaire de l'Équipe CALIN, Université Paris 13.
• [02/24/16] Tamari Lattices for Parabolic Quotients of the Symmetric Group
  At the Séminaire de l'Équipe Modèles Combinatoires, École Polytechnique.
• [09/17/15] Symmetric Chain Decompositions and the Strong Sperner Property for Noncrossing Partition Lattices
  At the Séminaire Combinatoire Énumérative et Analytique, Université Paris Diderot.
• [05/22/15] Generated Groups, Shellability, and Transitivity of the Hurwitz Action
  At the Combinatorics Seminar, University of Minnesota Twin Cities.
• [05/15/15] Generated Groups, Shellability, and Transitivity of the Hurwitz Action
  At the Séminaire de Combinatoire du LaCIM, Université du Québec à Montréal.
• [04/28/15] Generated Groups, Shellability, and Transitivity of the Hurwitz Action
  At the Arbeitsgemeinschaft Diskrete Mathematik, TU Wien.
• [03/27/15] Generated Groups, Shellability, and Transitivity of the Hurwitz Action
  At the International Seminar, TU Dresden.
• [12/09/14] Tamari Lattices for Parabolic Quotients of the Symmetric Group
  At the Séminaire de Combinatoire et Théorie des Nombres, Université Lyon 1.
• [10/08/14] SB-Labelings, Distributivity, and Bruhat Order on Sortable Elements
  At the Séminaire de l'Équipe Modèles Combinatoires, École Polytechnique.
• [10/02/14] SB-Labelings, Distributivity, and Bruhat Order on Sortable Elements
  At the Séminaire Combinatoire Énumérative et Analytique, Université Paris Diderot.
• [02/07/14] Combinatorial Properties of Relatives of the Tamari Lattices
  At the Oberseminar zur Algebra und Algebraischen Kombinatorik, Leibniz Universität Hannover.
• [11/05/13] m-Cover Posets and the Strip-Decomposition of m-Dyck Paths
  At the Arbeitsgemeinschaft Diskrete Mathematik, TU Wien.
• [10/23/12] On the EL-Shellability of the Cambrian Semilattices
  At the Arbeitsgemeinschaft Diskrete Mathematik, TU Wien.
• [05/22/12] Counting Proper Mergings of Chains and Antichains
  At the Arbeitsgemeinschaft Diskrete Mathematik, TU Wien.
• [12/13/11] EL-Shellability of Generalized Noncrossing Partitions Associated to Well-Generated Complex Reflection Groups
  At the Arbeitsgemeinschaft Diskrete Mathematik, TU Wien.
• [10/28/11] Shellability of Partially Ordered Sets
  At the International Seminar, TU Dresden.