Program

All times are local to Louvain-la-Neuve, Belgium. The conference ends on Sunday at 13:00.

All talks take place in CYCL01. For directions to the building, see Venue & Local Info.

Saturday 26 September 2026

StartEndSpeaker / activityAbstract
Registration
Opening
Jiří AdámekGraduated Categories of PresheavesRead abstract (PDF)
Rodrigo Nicolau AlmeidaA topos for étale-finite Heyting algebrasRead abstract (PDF)
Timothée BonnefoiFormal toposes and monoidal toposesRead abstract (PDF)
Break
Panagis KarazerisLocales in (pre-)sheaf toposes vs. (pre-)sheaves of localesRead abstract (PDF)
Theofilos TsantilasLocal presentability of monads in double categoriesRead abstract (PDF)
Break
James GrayInternal algebras in weak closed categoriesRead abstract (PDF)
Danielle KleynNormalizers in Heyting semilatticesRead abstract (PDF)
Lunch
Luca MesitiRelational calculus in algebra and logicRead abstract (PDF)
Mariano MessoraNaturally Mal'cev categories and descentRead abstract (PDF)
Break
Jurij LanfrancoA Characterization of Abelianness via Lawvere DoctrinesRead abstract (PDF)
Maia WoolfProperties of the algebraic theories all of whose algebras are freeRead abstract (PDF)
Poster introductions View posters
Poster session View posters
Not specifiedSocial dinner Louvain House

Sunday 27 September 2026

StartEndSpeaker / activityAbstract
Tomáš PerutkaHigher Day convolution over sketches and patternsRead abstract (PDF)
Pavla ProcházkováSkew structures as multiactionsRead abstract (PDF)
Kürşat SözerFrom group gradings to 2-group gradings: categories and invariants of flat 2-bundlesRead abstract (PDF)
Break
Florian De LegerA Swiss cheese construction for operadsRead abstract (PDF)
Eigil RischelA Universal Property for Measure-theoretic ProbabilityRead abstract (PDF)
Break
Elena CavigliaGeneralized action monads and descentRead abstract (PDF)
Andrea MontoliDerived torsion theories in a non-pointed contextRead abstract (PDF)
End of conference

Posters

Saturday 26 September: introductions from 16:50 to 17:10, followed by the poster session from 17:10 to 17:50.

Presenter / titleAbstract
Maxime CulotThe second Čech homology is simplicialRead abstract (PDF)
David ForsmanBialgebraic Structures from the 2-Categorical PerspectiveRead abstract (PDF)
Lucy GrossmanNaturally Mal'tsev (∞,1)-CategoriesRead abstract (PDF)
Leo LobskiCategories with indexed monoidsRead abstract (PDF)
Alexander PrähauserCo-Heyting Sites for Closed Geometric LogicRead abstract (PDF)