Final Programme

DIAGRAMS 2026

25–28 August 2026

Tallinn University of Technology, Estonia

Tuesday · 25 August 2026

1. 09.00–09.30

   Opening

2. 09.30–10.30
   Keynote 1 Chair: Amar Hadzihasanovic · Room 306

   Fabio Zanasi

   Computing with Pictures: the Rise of String Diagrams in Computer Science
3. 10.30–11.00

   Break

4. 11.00–12.30
   Session 1 Chair: Francesco Bellucci · Room 306

   • LJens Lemanski — Leibniz, Line Diagrams, and Euclidean Proportions
   • LKarol Wapniarski & Mariusz Urbański — Syllogistic Diagrams and Existential Commitment
   • SChristina Kittsteiner — The Multifaceted Sorites Diagram
   • SJ.-Martín Castro-Manzano — On Carroll Diagrams for Numerical Syllogistic
5. 12.30–14.00

   Lunch

6. 14.00–15.30
   Parallel Tutorials

   • TEmanuel Jannasch — Heraldry as Information Graphics (Room 306)
   • TMarcos Bautista López Aznar — Marlo Logical Boards (Room 305D)
7. 15.30–16.00

   Break

8. 16.00–17.15
   Session 2 Chair: Fabio Zanasi · Room 306

   • LNiklas Rentz et al. — Diagrams as a Service
   • SRisako Ando & Koji Mineshima — Do Diagrams Help Large Language Models Reason?
   • LMaximilian Kasperowski et al. — Pragmatic and Semantic Search in Diagrams

Wednesday · 26 August 2026

1. 09.00–10.30
   Session 3 Chair: Jessica Carter · Room 306

   • LMarcia R. Cerioli, Wagner Sanz & Petrucio Viana — Graph-based Proofs Can Be Enlightening
   • LViktor Blasjo — Hobbes and the Physicality of Geometry
   • SMary Elworth — Knowledge-How and Knowledge-That in the Construction and Use of Diagrams in Mathematics
   • SNoah Greenstein — Diagrams, Know-How & Beauty
2. 10.30–11.00

   Break

3. 11.00–12.30
   Posters session Chair: Peter Chapman · Room 306

   • J.-Martín Castro-Manzano — A Magic Aristotelian Cube
   • Gloria Jacquet — Legal Design and Diagrammatic Reasoning
   • Matthew Hibbin and Peter Rodgers — 3D Euler Diagram Generation Using a Game Engine: Work In Progress
   • Reetu Bhattacharjee and Amirouche Moktefi — Alternative dotted circle diagrams
   • Yuri Sato and Hazuki Kawamitsu — Modal Euler Diagrams: Diagrammatic Reasoning Patterns for Modal Logic
   • Hans Smessaert and Lorenz Demey — Diagram Design for Modelling Audiovisual Communication
   • Amirouche Moktefi — Three types of scaffolding
   • Junko Itokazu — Learner-Generated Diagrams in L2 Literary Discussion: Mediational Artifacts in Collaborative Meaning-Making
   • Alessio Moretti — Infinite-Simplexes, Completion-Games and Poly-Lobes: Enriching, by Diffraction, the Oppositional Space BMN?
4. 12.30–14.00

   Lunch

5. 14.00–15.30
   Session 4 Chair: Gianluca Caterina · Room 306

   • LChi Ho Chan et al. — EvoEuler
   • LMarkus Wallinger et al. — Combined Network and Set Visualization with Hoop and Linear Diagrams
   • LPeter Cheng & Irvin Katz — A Diagrammatic Notation for Social Partner Dancing
6. 15.30–16.00

   Break

7. 16.00–17.30
   Session 5 Chair: Atsushi Shimojima · Room 306

   • AYukari Abe & Emmanuel Manalo — From Diagrams to Arguments
   • SMasahiro Morii et al. — Highlighted Multi-Attribute Tables and Decision Making
   • SAndrew Schumann — Logic Diagrams for Non-Monotonic Relationships
   • SLiane Gabora — Diagramming the Mind
   • SDennis McNulty — The epiDiagram and Some Other Conceptual Resources for Interdisciplinary Diagram Research

Thursday · 27 August 2026

1. 09.30–10.30
   Keynote 2 Chair: Emmanuel Manalo · Room 306

   Jessica Carter

   Diagrams in Mathematical Practice
2. 10.30–11.00

   Break

3. 11.00–12.30
   Session 6 Chair: Amirouche Moktefi · Room 306

   • ASamuel Descarreaux, Bruno Leclercq — Logical Necessity and Diagrammatic Inferences in the Emergence of Mathematical Logic: F. A. Lange, G. Frege, and C. S. Peirce
   • SFrancesco Bellucci — Reference by Occurrence in Quantification
   • SArnold Oostra — From Peirce to Zellweger
   • STakashi Sasaki — Representational Normalization and Non-Injective Translation in Peirce’s Alpha Existential Graphs
   • SNathan Haydon — Categorial Grammar and Existential Graphs
4. 12.30–14.00

   Lunch

5. 14.00–15.30
   Session 7 Chair: Hans Smessaert · Room 306

   • LYuri Uesaka & Shun Saso — An Empirical Examination of Diagrammatic Competency
   • LEmmanuel Manalo, Reena Cheruvalath & Hiroaki Ayabe — Can Planning with Diagrams Help Students Think More Critically About Moral Questions?
   • SFriederike Brockhaus — Pictographic Representations Enhance Understanding of Simple Dynamic Systems
   • SAnn Mary John et al. — Drawing Solutions: A Cross-Linguistic Diagram-Based Study of Ordinality in Problem-Solving
6. 15.30–16.00

   Break

7. 16.00–17.00

   Diagrams assembly

   Room 306
8. 19.00

   Conference Dinner

Friday · 28 August 2026

1. 09.30–10.30
   Session 8 Chair: Peter Cheng · Room 306

   • LStef Frijters & Atahan Erbas — Inferring Relations from Relations
   • SJerzy Krol — Are Graphs, Built on Logical Independence, Capable to Replace Quantum Thinking?
   • SJ.-Martín Castro-Manzano — On Paraconsistent Diagrams
2. 10.30–11.00

   Break

3. 11.00–12.30
   Graduate symposium Chair: Nathan Hydon · Room 306

   • GChi Ho Chan — Generating a Set of Area-Proportional Euler and Venn Diagrams
   • GKwok Shun Lee — Non-Identity with Mutual Dependence: The Formal Structure of Korean Confucian Doseol and the Limits of Sentential Representation
   • GMatt Cuffaro — Behavioral Types for Goguen’s Algebraic Semiotics
4. 12.30–14.00

   Lunch

5. 14.00–15.30
   Session 9 Chair: Dave Beisecker · Room 306

   • LTuomo Hiippala et al. — Discourse-Driven Decomposition of Diagrammatic Representations
   • SYuri Sato & Yuzuki Ono — Visual Metaphors for Abstract Conditions
   • SOzan Altan Altinok — Tree of Life as Performative Representation
6. 15.30–16.00

   Break

7. 16.00–17.00
   Keynote 3 Chair: Pawel M. Sobocinski · Room 306

   Peter Cheng

   Representing Knowledge and Thought
8. 17.00–17.15

   Closing

   Room 306