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London Logic Forum (LLF) - Seminars
2024
| Mon 20 May Hub room 4, 66-72 Gower St, UCL Interaction Centre |
14:00 | Axioms for relational signatures containing demonic composition. Tim Stokes, University of Waikato (abstract) |
| 15:00 | Canonicity in power Ian Hodkinson, Imperial College London (abstract) |
|
| 16:30 | An axiomatisation of the temporal logic of two dimensional Minkowski spacetime Robin Hirsch, University College London (abstract) |
2022
| Wed 28 Sep Hub room 3, 66-72 Gower St, UCL Interaction Centre |
14:00 | The Finite Basis Problem is hard Marcel Jackson, La Trobe University (abstract) |
2019
| Wed 17 Jul room 151, Main Building, Birkbeck |
13:00 | Games played on finite graphs Bakh Khoussainov, University of Auckland (abstract) |
| 14:00 | The variety generated by completions of representable relation algebras Ian Hodkinson, Imperial College London (abstract) |
|
| 15:15 | Recursive axiomatizations from separation
properties Rob Egrot, Mahidol University (abstract) |
|
| 16:15 | Demonic operators Robin Hirsch, University College London (abstract) |
|
| 17:15 | On monotone determinacy of recursive queries by views Stanislav Kikot, University of Oxford (abstract) |
2018
| Fri 26 Jan room 151, Main Building, Birkbeck |
11:00 | Decomposing quantified-conjunctive logic Hubie Chen, Birkbeck College (abstract) |
| 12:00 | On Horn fragments of Metric Temporal Logic Vlad Ryzhikov, Birkbeck College (abstract) |
|
| 14:00 | Propagation terminates over a finite set of binary
constraints, even if the binary relations generate an infinite set of relations Robin Hirsch, University College London (abstract) |
|
| 15:00 | Axiomatising 2D representable diagonal-free strict cylindric
algebras (aka Non-finitely axiomatisable 2D modal product logics with infinite canonical axiomatisations) Agi Kurucz, King's College London (abstract) |
|
| 16:00 | A shorter proof that wRRA is a variety Ian Hodkinson, Imperial College London (abstract) |
2017
| Thu 5 Oct room 944, Institute of Education, UCL |
11:00 | Horn fragments of Halpern-Shoham logic and their hybrid extensions: comparison of expressive power Przemysław Wałęga, University of Warsaw (abstract) |
| Fri 27 Jan room 103, Engineering Front Building, UCL |
10:00 | Synthesis for monadic logic over the reals Mark Reynolds, University of Western Australia (abstract) |
| 11:30 | Axiomatising domain algebras Szabolcs Mikulás, Birkbeck College |
|
| 14:00 | Survey of Horn-related fragments of various temporal logics Michael Zakharyaschev, Birkbeck College |
|
| 15:30 | A new rule for LTL tableaux Mark Reynolds, University of Western Australia (abstract) |
2016
| Fri 26 Aug room 1.03, Malet Place Engineering Building, UCL |
16:00 | Tangled closure algebras Rob Goldblatt, Victoria University |
| Tue 28 Jun room 309, Roberts Building, UCL |
14:00 | Axiomatizing representation classes for posets in first order logic Rob Egrot, Mahidol University (abstract) |
| 15:15 | The first-order logic of disjoint union Brett McLean, University College London (abstract) |
|
| 16:30 | On the completeness of EL-equations: first results Stanislav Kikot, Birkbeck College (abstract) |
2015
| Tue 28 Jul room 110, Roberts Building, UCL |
11:00 | Completeness-via-canonicity for generalized positive modal logics Fredrik Dahlqvist, University College London (abstract) |
| 14:00 | The temporal logic of two-dimensional Minkowski spacetime is decidable Robin Hirsch, University College London (abstract) |
|
| 16:00 | The decision problem of modal product logics with a diagonal, and faulty counter machines Agi Kurucz, King's College London (abstract) |
|
| Fri 20 Mar room 6.12, Malet Place Engineering Building, UCL |
14:00 | The finite representation property for algebras of functions Brett McLean, University College London |
2014
| Thu 9 Oct room 128, 14 Taviton St, UCL |
15:00 | Some developments in the modal logic of space Ian Hodkinson, Imperial College London (abstract) |
| Fri 13 Jun room S6.06, Strand Building, KCL |
15:00 | Local tabularity and the finite model property in modal logic Valentin Shehtman, Institute for Information Transmission Problems, Russian Academy of Sciences (abstract) |
| Fri 9 May room 6.12, Malet Place Engineering Building, UCL |
15:00 | Comparison semigroups and algebras of
transformations Tim Stokes, University of Waikato (abstract) |
| 16:30 | Representability of lattice ordered monoids Szabolcs Mikulás, Birkbeck College |
|
| Wed 26 Mar room 6.12a, Malet Place Engineering Building, UCL |
15:00 | Complete representation by partial functions for
composition, intersection and antidomain Brett McLean, University College London |
| Wed 19 Mar room 745, Main Building, Birkbeck College |
16:30 | Ontology-based data access and non-uniform constraint satisfaction Frank Wolter, University of Liverpool |
| Thu 27 Feb room 217, Huxley Building, Imperial College |
16:00 | Ontology-based data access with OWL 2 QL: Theory and practice Michael Zakharyaschev, Birkbeck College |
| Thu 13 Feb room 218, Huxley Building, Imperial College |
16:00 | Linear (integer) programming and fragments of first-order logic Ian Pratt-Hartmann, University of Manchester |
2013
| Thu 12 Dec room 217, Huxley Building, Imperial College |
16:00 | Ontology-based data access: a study through disjunctive Datalog, CSP, and MMSNP Frank Wolter, University of Liverpool |
| Fri 19 Jul room 6.12, Malet Place Engineering Building, UCL |
14:00 | Finite representation theory Robin Hirsch, University College London |
| 15:30 | Constructing cylindric algebras from relation algebras Ian Hodkinson, Imperial College London |
|
| Wed 3 Apr room 217, Huxley Building, Imperial College |
16:00 | Elementary modal logics Jakub Michaliczyn, Imperial College London |
| Wed 6 Feb room S0.03, Strand Building, KCL |
15:00 | Chequered products of modal logics Valentin Shehtman, Institute for Information Transmission Problems, Russian Academy of Sciences (abstract) |
| Wed 6 Feb room S4.29, Strand Building, KCL |
16:30 | Topological modal logic with difference modality of the real line Andrey Kudinov, Institute for Information Transmission Problems, Russian Academy of Sciences (abstract) |
2012
| Tue 26 Jun room 508, Roberts Building, UCL |
14:00 | Reducing first-order logic to three-dimensional
diagonal-free cylindric algebras Hajnal Andréka and István Németi, Alfréd Rényi Institute of Mathematics (abstract) |
| Tue 26 Jun room 508, Roberts Building, UCL |
16:00 | On the complexity of KxK, with and without the
diagonal constant Agi Kurucz, King's College London (abstract) |
| Thu 31 May room 301, William Penney, Imperial College |
16:00 | Undecidable products involving the logic of 'elsewhere' Christopher Hampson, King's College London (abstract) |
| Thu 24 May room 219a, William Penney, Imperial College |
16:00 | On modal definability of first-order formulas with
many free variables and its application to query answering in
expressive description logics Stanislav Kikot, Birkbeck College (abstract) |
| Thu 24 May room 219a, William Penney, Imperial College |
17:00 | Products of S5 and modal logics of Hamming spaces Ilya Shapirovsky, Institute for Information Transmission Problems, Russian Academy of Sciences (abstract) |
| Thu 8 Mar room 343, Dept.of Computing, Imperial College |
16:00 | Undecidable propositional logics with a binary associative connective Agi Kurucz, King's College London |
| Fri 2 Mar room S6.06, Strand Building, KCL |
16:00 | A dichotomy for some elementarily generated modal logics Stanislav Kikot, Birkbeck College |
| Tue 14 Feb room 343, Dept.of Computing, Imperial College |
16:00 | Equational theories of extended Kleene algebras Szabolcs Mikulás, Birkbeck College (abstract) |
| Fri 10 Feb room 6.12a, Malet Place Engineering Building, UCL |
14:30 | Completions of posets Rob Egrot, University College London |
2011
| Tue 22 Nov room S6.06, Strand Building, KCL |
15:00 | Derivational modal logics with the difference
modality Valentin Shehtman, Institute for Information Transmission Problems, Russian Academy of Sciences |
| Fri 28 Oct room S6.06, Strand Building, KCL |
16:00 | Non-finitely axiomatisable 2D products of modal
logics II Agi Kurucz, King's College London |
| Thu 20 Oct room 301, William Penney, Imperial College |
16:00 | A rooted tableau for BCTL* John McCabe-Dansted, University of Western Australia (abstract) |
| Thu 20 Oct room 301, William Penney, Imperial College |
17:00 | Tableau for CTL* Mark Reynolds, University of Western Australia (abstract) |
| Tue 18 Oct room 333, Rockefeller Building, UCL |
14:00 | Tableau for temporal logic over general linear time Mark Reynolds, University of Western Australia (abstract) |
| Tue 18 Oct room 333, Rockefeller Building, UCL |
16:00 | Non-finitely axiomatisable 2D products of modal
logics I Agi Kurucz, King's College London |
| Fri 24 Jun room 1.02, New Engineering Building, UCL |
15:00 | Algebras of partial maps Marcel Jackson, La Trobe University |
| Fri 24 Jun room 1.02, New Engineering Building, UCL |
16:30 | On axiomatisations of representable cylindric algebras Ian Hodkinson, Imperial College London |
| Wed 2 Feb room K0.19, King's Building, KCL |
15:00 | Squares of modal logics with additional connectives Valentin Shehtman, Institute for Information Transmission Problems, Russian Academy of Sciences (abstract) |
2010
| Tue 21-Thu 23 Sep room 110, Roberts Building, UCL |
10:00 | Workshop on Lattices, Relations and Kleene Algebras |
2009
| Tue 31 Mar room 1.20, Malet Place Engineering Building, UCL |
14:00 | Back and forth between logic and relativity theory Hajnal Andréka and István Németi, Alfréd Rényi Institute of Mathematics (abstract) |
| Fri 27 Mar room 110, Roberts Building, UCL |
14:00 | Equational theories of reducts of representable relation algebras Szabolcs Mikulás, Birkbeck College |
| 15:00 | Two dimensional cylindric algebras and products of modal logics with a diagonal Agi Kurucz, King's College London |
|
| 16:00 | Some undecidability results for various problems of
representing binary relations Robin Hirsch, University College London (abstract) |
2008
| Tue 27 May room 1.13, New Engineering Building, UCL |
14:00 | Density elimination George Metcalfe, Vanderbilt University (abstract) |
| Thu 24 Jan room 121, Birkbeck College |
14:00 | Relevance logic as a fragment of the calculus of relations Roger Maddux, Iowa State University |
2007
| Wed 5 Sep room 1.02, UCL |
14:00 | A temporal logic of robustness John McCabe-Dansted, University of Western Australia (abstract) |
| Thu 10 May room 121, Birkbeck College |
15:30 | The unification problem for modal logics Michael Zakharyaschev, Birkbeck College |
| Thu 1 Mar room 121, Birkbeck College |
15:00 | On preservation theorems IV Agi Kurucz, King's College London |
| Wed 14 Feb room 121, Birkbeck College |
15:30 | On preservation theorems III Agi Kurucz, King's College London |
2006
| Wed 13 Dec room 121, Birkbeck College |
15:00 | On preservation theorems II Agi Kurucz, King's College London |
| Fri 1 Dec room Studio A, Imperial College |
15:00 | On preservation theorems Agi Kurucz, King's College London |
| Wed 25 Oct room 121, Birkbeck College |
16:00 | Hybrid formulas and elementary generated modal logics III Ian Hodkinson, Imperial College London |
| Wed 18 Oct room 6.12a, UCL |
14:00 | Hybrid formulas and elementary generated modal logics II Ian Hodkinson, Imperial College London |
| Fri 27 Jan room 121, Birkbeck College |
17:00 | Modal logics for reasoning about distances and similarity Michael Zakharyaschev, Birkbeck College |
2005
| Fri 16 Dec room 4.02a, UCL |
14:00 | Hybrid formulas and elementary generated modal logics Ian Hodkinson, Imperial College London |
| Fri 25 Nov room 6.12a, UCL |
17:00 | Hybrid Logic with operations on nominals Evan Tzanis, University College London (abstract) |
| Wed 26 Oct room 121, Birkbeck College |
16:00 | Bisimulation quantifiers for modal logics Tim French, University of Western Australia (abstract) |
| Wed 19 Oct room 6.12a, UCL |
14:00 | Peirce algebras and Boolean modules Robin Hirsch, University College London |
| Wed 12 Oct room CS/445, Queen Mary |
15:30 | Undecidability of two-variable intuitionistic and modal predicate logics Agi Kurucz, King's College London (abstract) |
| Wed 5 Oct room 6.12, UCL |
14:00 | Enriching hybrid logics with abstraction, consistency checking,and probabilities Michael Huth, Imperial College London (abstract) |
| Thu 9 June room 6.12, UCL |
14:00 | Real Time CTL and Model Checking Bozena Wozna, University College London (abstract) |
| Thu 10 Feb room 23D, Strand Building, KCL |
13:30 | Explicit Substitutions without Alpha-Conversion Maribel Fernandez, King's College London (abstract) |
| Wed 2 Feb room 426 Huxley, Imperial College |
13:30 | Application of Hybrid Logic to Intervals Altaf Hussain, Imperial College London (abstract) |
| Tue 11 Jan room 23D, Strand Building, KCL |
11:00 | From Logic of Proofs to Evidence-Based Logics of Knowledge Sergei Artemov and Elena Nogina, City University of New York (abstract) |
2004
| Thur 7 Oct room 23D, Strand Building, KCL |
15:45 | Canonical extensions and discrete duals of partially ordered algebras Mai Gehrke, New Mexico State University |
| Fri 9 July room 23D, Strand Building, KCL |
14:00 | Products of `transitive' modal logics with expanding domains David Gabelaia, King's College London |
| Fri 2 July room 23D, Strand Building, KCL |
14:00 | Products of `transitive' modal logics Agi Kurucz, King's College London |
| Wed 31 Mar room 229, Pearson Building, UCL |
13:30 | Some applications of random graphs in algebraic and modal logic Ian Hodkinson, Imperial College (slides) |
| 14:30 | Logical Foundation of Spacetime Hajnal Andréka and István Németi ,Alfréd Rényi Institute of Mathematics (abstract) |
|
| 16:00 | Logic, relativity theory, closed timelike curves ("time-travel") Hajnal Andréka and István Németi, Alfréd Rényi Institute of Mathematics (abstract) |
|
| 17:00 | Robin Hirsch, University College London (abstract) | |
| Thur 18 Mar room 23D, Strand Building, KCL |
15:00 | Modal logics of submaximal spaces David Gabelaia, King's College London |