WARNING: Fake accommodation emails are circulating. TCA 2026 does not use external booking services.
16:30 - 18:00 Arrival & Registration (Alberto Sampaio Museum / Garden)
17:00 - Guided Tour of the Alberto Sampaio Museum
18:30 - Welcome Drink - Verde de Honra
19:00 - Closing (Participants are welcome to continue exploring the museum on their own)
08:45 Opening Ceremony - Don't miss it!
(Room 0.20 - Building 02)
09:00 Mikhail Volkov
(Room 0.20 - Building 02)
09:45 Mai Gehrke
(Room 0.20 - Building 02)
10:30 Coffee-Break
11:00 Thematic Sessions:
0.20 Duality Theory
0.24 Non-Associative Structures
0.31 Cryptographic Functions
12:30 Lunch (Grill, Building 04)
14:00 Thematic Sessions:
0.20 Permutation Groups & Transformation Semigroups
0.24 Combinatorics on Words
0.31 Algebraic & combinatorial methods for CSPs
15:30 Benjamin Steinberg
(Room 0.20 - Building 02)
16:15 Coffee-Break
17:00 Touristic visit
09:00 Mikhailo Dokuchaev
(Room 0.20 - Building 02)
09:45 Marcel Jackson
(Room 0.20 - Building 02)
10:30 Coffee-Break
11:00 Short Communications:
(Rooms 0.20, 0.24 and 0.31 - Building 02)
12:30 Lunch (Grill, Building 04)
14:00 Thematic Sessions:
0.20 Algebraic Machine Learning
0.24 Synchronization
0.31 Interaction between algebra and operator theory: partial actions, quaternionic operators
15:30 Jan Okninski
(Room 0.20 - Building 02)
16:15 Coffee-Break
09:00 Stuart Margolis
(Room 0.20 - Building 02)
09:45 John Rhodes
(Room 0.20 - Building 02)
10:30 Coffee-Break
11:00 Karl Auinger
(Room 0.20 - Building 02)
11:50 Short Communications:
(Rooms 0.20, 0.24 and 0.31 - Building 02)
12:30 Lunch (Grill, Building 04)
14:00 Thematic Sessions:
0.20 Free algebras, their automorphisms, derivations and subalgebras
0.24 Semigroup, Automata and Languages
0.31 Thompson's Groups and Languages
15:30 Persi Diaconis
(Room 0.20 - Building 02)
16:15 Coffee-Break
19:00 Banquet (Restaurant Histórico by PapaBoa) Local: https://maps.app.goo.gl/xg1ChQHnbr2PQvM16
09:00 Ganna Kudryavtseva
(Room 0.20 - Building 02)
09:45 Anne Schilling
(Room 0.20 - Building 02)
10:30 Coffee-Break
11:00 Thematic Sessions:
0.20 Ehresmann Semigroups
0.24 Hyperbolic Geometry & 3-mainfold Groups
0.31 Artificial Intelligence and Theorem Proving
12:30 Lunch (Grill, Building 04)
14:00 Thematic Sessions:
0.20 Graphs and Algebras
0.24 Numerical Semigroups
0.31Symmetry, Definability and Decidability
15:30 Jorge Almeida
(Room 0.20 - Building 02)
10:00 Farewell