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Posts by algorithms.fi

Aalto SCI MS AGC

AGC (Algebra, Geometry and Combinatorics) Seminar: Monday, April 27, 2026, at 14.15. Aalto University, Undergraduate Centre (Otakaari 1), room M3 (M234). math.aalto.fi/en/research/discrete/sem...

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HIIT Foundations Friday

HIIT Foundations Friday: Friday, April 24, 2026, at 11.15–13.00. Phokion G. Kolaitis: Computational Social Choice and Incomplete Information. University of Helsinki, Athena building (Siltavuorenpenger 3 A), room 169. https://research.cs.aalto.fi/hiit-foundations/

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Helsinki CS Theory Seminar

Helsinki CS Theory Seminar: Wednesday, April 22, 2026, at 14.15. Lilja Metsälampi: Geometry of low nonnegative rank matrix completion. Aalto University, Maarintie 8, room TU5. research.cs.aalto.fi/theory/seminar/seminar.h...

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Seminar - XWiki Seminar

Logic Seminar: Wednesday, April 22, 2026, at 12.15–14.00. University of Helsinki, Exactum (Pietari Kalmin katu 5), room C124. wiki.helsinki.fi/xwiki/bin/view/Logic/Hom...

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Algebra, Number Theory, and Applications research group - Thesis projects

ANTA seminar: Tuesday, April 21, 2026, at 15.15. Dr. Daniel Bath (KU Leuven): Geometry and singularities of configuration hypersurfaces. Aalto University, Undergraduate Centre (Otakaari 1), room M3 (M234). math.aalto.fi/en/research/discrete/ant...

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Aalto SCI MS AGC

AGC (Algebra, Geometry and Combinatorics) Seminar: Monday, April 20, 2026, at 14.15. Miika Rankaviita (Aalto): Midterm review: Severi strata, Hilbert schemes, and link invariants. Aalto University, Undergraduate Centre (Otakaari 1), room M3 (… math.aalto.fi/en/research/discrete/sem...

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The Baltic Olympiad in Informatics 2026 starting tomorrow! Organized at the Aalto University campus in Otaniemi, in collaboration with Aalto University, University of Helsinki, Helsinki Institute for Information Technology HIIT, and MAOL.
boi2026.cses.fi

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Aalto SCI MS AGC

AGC (Algebra, Geometry and Combinatorics) Seminar: Monday, April 20, 2026, at 14.15. Aalto University, Undergraduate Centre (Otakaari 1), room M3 (M234). math.aalto.fi/en/research/discrete/sem...

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Helsinki CS Theory Seminar

Helsinki CS Theory Seminar: Wednesday, April 15, 2026, at 14.15. Tuomas Hakoniemi: Hard CNFs for strong algebraic proofs. Aalto University, Maarintie 8, room TU5. research.cs.aalto.fi/theory/seminar/seminar.h...

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Seminar - XWiki Seminar

Logic Seminar: Wednesday, April 15, 2026, at 12.15–14.00. Phokion G. Kolaitis (University of California Santa Cruz): Codd's Theorem for Databases over Semirings. University of Helsinki, Exactum (Pietari Kalmin katu 5), room C124. wiki.helsinki.fi/xwiki/bin/view/Logic/Hom...

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Baltic Olympiad in Informatics 2026: Wednesday–Sunday, April 15–19, 2026. https://algorithms.fi

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Aalto SCI MS AGC

AGC (Algebra, Geometry and Combinatorics) Seminar: Monday, April 13, 2026, at 14.15. Milo Orlich: What is a Cohen-Macaulay ring?. Aalto University, Undergraduate Centre (Otakaari 1), room M3 (M234). math.aalto.fi/en/research/discrete/sem...

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Aalto SCI MS AGC

AGC (Algebra, Geometry and Combinatorics) Seminar: Monday, April 13, 2026, at 14.15. Milo Orlich: What is a Cohen-Macaulay ring?. Aalto University, Undergraduate Centre (Otakaari 1), room M3 (M234). math.aalto.fi/en/research/discrete/sem...

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Helsinki CS Theory Seminar

Helsinki CS Theory Seminar: Wednesday, April 8, 2026, at 14.15. Jiaheng Wang: A simple polynomial-time approximation algorithm for the total variation distance between two product distributions. Aalto University, Maarintie 8, room TU5. research.cs.aalto.fi/theory/seminar/seminar.h...

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Seminar - XWiki Seminar

Logic Seminar: Wednesday, April 8, 2026, at 12.15–14.00. Andrew Cropper: Logic-based machine learning. University of Helsinki, Exactum (Pietari Kalmin katu 5), room C124. wiki.helsinki.fi/xwiki/bin/view/Logic/Hom...

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Puzzle & Pizza

Puzzle & Pizza: Wednesday, April 1, 2026, at 18.00. Aalto University, Computer Science Building (Konemiehentie 2), room A123. https://algorithms.fi/puzzle-and-pizza/

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Helsinki CS Theory Seminar

Helsinki CS Theory Seminar: Wednesday, April 1, 2026, at 14.15. Juha Harviainen: Graph Reconstruction with a Connected Components Oracle. Aalto University, Maarintie 8, room TU5. research.cs.aalto.fi/theory/seminar/seminar.h...

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Seminar - XWiki Seminar

Logic Seminar: Wednesday, April 1, 2026, at 12.15–14.00. Teymur Ismikhanov: Dichotomy for Axiomatising Inclusion Dependencies on K-Databases. University of Helsinki, Exactum (Pietari Kalmin katu 5), room C124. wiki.helsinki.fi/xwiki/bin/view/Logic/Hom...

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Puzzle & Pizza

Puzzle & Pizza: Wednesday, April 1, 2026, at 18.00. Aalto University, Computer Science Building (Konemiehentie 2), room A123. https://algorithms.fi/puzzle-and-pizza/

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Helsinki CS Theory Seminar

Helsinki CS Theory Seminar: Wednesday, April 1, 2026, at 14.15. Juha Harviainen: Graph Reconstruction with a Connected Components Oracle. Aalto University, Maarintie 8, room TU5. research.cs.aalto.fi/theory/seminar/seminar.h...

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Seminar - XWiki Seminar

Logic Seminar: Wednesday, April 1, 2026, at 12.15–14.00. University of Helsinki, Exactum (Pietari Kalmin katu 5), room C124. wiki.helsinki.fi/xwiki/bin/view/Logic/Hom...

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Aalto SCI MS AGC

AGC (Algebra, Geometry and Combinatorics) Seminar: Monday, March 30, 2026, at 14.15. Petteri Kaski (Aalto): Algebraic complexity of tensors with three or more modes. Aalto University, Undergraduate Centre (Otakaari 1), room M134. math.aalto.fi/en/research/discrete/sem...

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HIIT Foundations Friday

HIIT Foundations Friday: Friday, March 27, 2026, at 11.15–13.00. Maxwell Forst: An introduction to lattice reduction theory. University of Helsinki, Athena building (Siltavuorenpenger 3 A), room 169. https://research.cs.aalto.fi/hiit-foundations/

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We are hiring summer interns: www.aalto.fi/en/aalto-sci...

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Distributed Quantum Computing Workshop

The presentation slides from Helsinki Distributed Quantum Computing Workshop 2025 now available online: algorithms.fi/quantum-work...

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HIIT Open 2025 programming contest has started!

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HIIT Open 2025 Programming Contest HIIT Open 2025 Programming Contest, Saturday, 8 Nov 2025, Otaniemi, Espoo, Finland.

HIIT Open 2025 programming contest coming on Saturday, 45 contestants in 20 teams competing at Aalto University!
open.hiit.fi

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HIIT Open 2025 Programming Contest HIIT Open 2025 Programming Contest, Saturday, 8 Nov 2025, Otaniemi, Espoo, Finland.

HIIT Open 2025 coming on November 8, the registration form is now open! open.hiit.fi

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HALT · Helsinki Algorithms & Theory

Algorithmic activities coming next:
· CS Theory Seminar: October 15
· HIIT Frontier Friday: October 17
· HIIT Foundations Friday: October 31
· Puzzle & Pizza: November 5
algorithms.fi

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HALT: Publications

New papers from the HALT community: 2 x SODA 2025, 2 x NeurIPS 2025, 3 x Asiacrypt 2025, and more!
algorithms.fi/publications/

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