Talks

Presentation archive

Talks, lectures, and working ideas shared aloud.

Conference presentations sit beside workshops and standalone talks. Some entries have interactive slides or video; others preserve the delivery and its context.

2026

· The 25th International Workshop on Constraint Modelling and Reformulation (ModRef 2026)

No More Awkward Silences with Table Talk Tuning

A constraint model for wedding-table assignments that balances practical seating requests with the chance that every guest can find a well-supported conversation topic.

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· The 25th International Workshop on Constraint Modelling and Reformulation (ModRef 2026)

Propagation Algorithms for the Minimum-Distance Constraint over Selected Points

Direct propagation algorithms for selecting well-spaced points, including pairwise, global, advisor-backed, and matching-based variants.

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· The 25th International Workshop on Constraint Modelling and Reformulation (ModRef 2026)

Scaling Sudoku as a Constraint Problem

What changes when Sudoku grows from 6×6 to 36×36, based on propagation experiments and a public corpus of 434,201 generated instances.

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2025

· NordConsNet Workshop 2025

RosterLogic Variation: Building a Custom CBLS Solver for a Single Problem

A practical retrospective on building a problem-specific CBLS-style solver, the business constraints behind that choice, and whether it paid off.

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2020

· ModRef 2020

Half-checking Propagators

What changes when a propagator may deliberately remove solutions, while every solution it reports must still be genuine?

PDFVideo

2019

· ModRef 2019

State Representation and Polyomino Placement for the Game Patchwork

Using constraint programming to represent Patchwork boards, guide polyomino placement, and evaluate game-playing choices.

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