# Tadeusz's publications

More information about my work can be found here and especially in my research statement. For earlier papers, some comments have been inlined in this bibliography.

Here is a PDF version of the publication list.

2019 | |

[36] | Lewisian Fixed Points I: Two Incomparable Constructions , In CoRR, vol. abs/1905.09450, 2019. [bib] [pdf] |

[35] | Complete Additivity and Modal Incompleteness , In Review of Symbolic Logic, 2019. (Accepted, to appear. See also https://escholarship.org/uc/item/01p9x1hv) [bib] [pdf] [doi] |

2018 | |

[34] | Lewis meets Brouwer: constructive strict implication , In Indagationes Mathematicae, vol. 29, pp. 36–90, 2018. (A special issue "L.E.J. Brouwer, fifty years later") [bib] [pdf] [doi] |

[33] | Model Theory and Proof Theory of Coalgebraic Predicate Logic , In Log. Methods Comput. Sci., vol. 14(1), 2018. [bib] [pdf] [doi] |

[32] | Infinite Populations, Choice and Determinacy , In Studia Logica, vol. 106, pp. 969–999, 2018. [bib] [pdf] [doi] |

[31] | One Modal Logic to Rule Them All? , In Advances in Modal Logic (G. Bezhanishvili, G. D'Agostino, G. Metcalfe, T. Studer, eds.), vol. 12, pp. 367–386, College Publications, 2018. [bib] [pdf] |

2017 | |

[30] | A van Benthem/Rosen Theorem for Coalgebraic Predicate Logic , In Journal of Logic and Computation, vol. 27(3), pp. 749–773, 2017. [preprint] [bib] [pdf] |

[29] | Guard Your Daggers and Traces: Properties of Guarded (Co-)recursion , In Fundamenta Informaticae, vol. 150, pp. 407–449, 2017. (special issue FiCS'13 edited by David Baelde, Arnaud Carayol, Ralph Matthes and Igor Walukiewicz) [bib] [pdf] [doi] |

[28] | Negative Translations and Normal Modality , In 2nd International Conference on Formal Structures for Computation and Deduction (FSCD 2017) (Dale Miller, ed.), Leibniz International Proceedings in Informatics (LIPIcs), vol. 84, pp. 27:1–27:18, Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik, 2017. ( [Local copy] ) [bib] [pdf] [doi] |

[27] | An Algebraic Glimpse at Bunched Implications and Separation Logic , In CoRR, vol. abs/1709.07063, 2017. [bib] [pdf] |

2016 | |

[26] | Relational lattices: From databases to universal algebra , In JLAMP, vol. 85(4), pp. 540–573, 2016. The final publication is available at Springer via http://dx.doi.org/10.1016/j.jlamp.2015.11.008 (special issue with selected papers RAMiCS 2014 edited by Peter Höfner, Peter Jipsen, Wolfram Kahl and Martin E. Müller) [bib] [pdf] [doi] |

2014 | |

[25] | Relational Lattices , In Relational and Algebraic Methods in Computer Science 2014 (RAMiCS) (Peter Höfner, Peter Jipsen, Wolfram Kahl, Martin E. Müller, eds.), Lecture Notes in Computer Science, vol. 8428, pp. 327–343, Springer International Publishing, 2014. The final publication is available at Springer via http://dx.doi.org/10.1007/978-3-319-06251-8_20. (Superseded by the journal version in the special issue of JLAMP with selected papers of RAMiCS 2014) [bib] [pdf] [doi] |

[24] | Constructive modalities with provability smack , Chapter in Leo Esakia on duality in modal and intuitionistic logics (Guram Bezhanishvili, ed.), Outstanding Contributions to Logic, vol. 4, pp. 179–208, Springer, 2014. The final publication is available at Springer via http://dx.doi.org/10.1007/978-94-017-8860-1_8. [bib] [pdf] [doi] |

2013 | |

[23] | Guard Your Daggers and Traces: On The Equational Properties of Guarded (Co-)recursion , In FICS (David Baelde, Arnaud Carayol, eds.), EPTCS, vol. 126, pp. 72–86, 2013. (Superseded by the journal version invited to FI) [bib] [pdf] |

[22] | Coalgebraic Predicate Logic: Equipollence Results and Proof Theory , Chapter in Logic, Language, and Computation. Revised Selected Papers of TbiLLC 2011 (Guram Bezhanishvili, Sebastian Löbner, Vincenzo Marra, Frank Richter, eds.), Lecture Notes in Computer Science, vol. 7758, pp. 257–276, Springer Berlin Heidelberg, 2013. The final publication is available at Springer via http://dx.doi.org/10.1007/978-3-642-36976-6_16. [bib] [pdf] [doi] |

2012 | |

[21] | Coalgebraic Predicate Logic , In Proc. 39th International Colloquium on Automata, Languages, and Programming, ICALP 2012 (Artur Czumaj, Kurt Mehlhorn, Andrew Pitts, Roger Wattenhofer, eds.), Lecture Notes in Computer Science, vol. 7392, pp. 299–311, Springer, 2012. The final publication is available at Springer via http://dx.doi.org/10.1007/978-3-642-31585-5_29. [bib] [pdf] [doi] |

2011 | |

[20] | Stone duality for nominal Boolean algebras with 'new' , Chapter in Algebra and Coalgebra in Computer Science (Andrea Corradini, Bartek Klin, Corina Cîrstea, eds.), Lecture Notes in Computer Science, vol. 6859, pp. 192–207, Springer Berlin Heidelberg, 2011. [bib] [doi] |

2010 | |

[19] | Complete axiomatizations for XPath fragments , In Journal of Applied Logic, vol. 8(2), pp. 153–172, 2010. (Selected papers from the Logic in Databases Workshop 2008 edited by Andrea Calí, Laks V.S. Lakshmanan and Davide Martinenghi) [bib] [pdf] [doi] |

[18] | Some Modal Aspects of XPath , In Journal of Applied Non-Classical Logics, vol. 20(3), pp. 139–171, Taylor & Francis, 2010. For quite a while only the early M4M version was broadly available online. Access to JANCL is rather restricted. I noticed it relatively recently. It is a shame, as the real journal version is much more substantial. You can now verify this claim: [local copy] (Invited paper to the special 20th anniversary issue)
[bib] [pdf] |

2009 | |

[17] | On the Termination Problem for Declarative XML Message Processing , Chapter in Database and Expert Systems Applications (Sourav S. Bhowmick, Josef Küng, Roland Wagner, eds.), Lecture Notes in Computer Science, vol. 5690, pp. 83–97, Springer Berlin Heidelberg, 2009. We define a formal syntax and semantics for the Rule Definition Language (RDL) of DemaqLite, which is a fragment of the declarative XML message processing system Demaq. Based on this definition, we prove that the termination problem for any practically useful sublanguage of DemaqLiteRDL is undecidable, as any such language can emulate a Single Register Machine--a Turing-complete model of computation proposed by Shepherdson and Sturgis.
[bib] [pdf] [doi] |

2008 | |

[16] | Stability of the Blok Theorem , In Algebra Universalis, vol. 58(4), pp. 385–411, Birkhäuser Verlag Basel, 2008. The theorem generalized here - Wim Blok's classfication of degrees of incompleteness of modal logics - is one of the most beautiful and surpring ones proved in the 1970's. If you have never heard about The Blok Theorem, or heard about it but want to learn more, enjoy! [preprint]
[bib] [pdf] [doi] |

[15] | Completions of GBL-algebras: negative results , In Algebra Universalis, vol. 58(4), pp. 373–384, Birkhäuser Verlag Basel, 2008. An exercise in substructural logic,
motivated partially by my earlier results in modal logic. We show that
many varieties related to many-valued logics are not closed under any
kind of completions - not just a specific one, like canonical
completions. A significant part of the paper has been incorporated into
this book. The result turned out to be important for an emerging field of algebraic proof theory (Kazushige Terui, Nick Galatos, Agata Ciabattoni) who showed this implies non-existence of well-behaved, strongly analytical, cut-free sequent calculi for logics in question. In his invited talk at OAL2.0 in 2011, Kazushige Terui likened the significance of our result for algebraic proof theory to that of the Gödel results for the Hilbert program, but it was a hyperbole - algebraic proof theory is alive and well. Neither he nor ourselves realized at that time that the restriction of our result to MV-algebras had been carefully hidden in the 2004 Math. Scand. paper by Gehrke and Jonsson. Look for it yourself (and note that you have the advantage of this precise bibliographical reference)... I only found it by accident in 2016.
[bib] [pdf] [doi] |

2007 | |

[14] | The importance of being discrete , Technical report, Institute for Logic, Language and Computation (ILLC), University of Amsterdam, 2007. [bib] [pdf] |

[13] | Topological perspective on the hybrid proof rules , In Electronic Notes in Theoretical Computer Science, vol. 174(6), pp. 79–94, Elsevier, 2007. (Proceedings of the International Workshop on Hybrid Logic HyLo 2006) [bib] [pdf] [doi] |

[12] | The non-reflexive counterpart of Grz , In Bulletin of the Section of Logic, vol. 36(3--4), pp. 195–208, 2007. (A special issue In Honorem Hiroakira Ono edited by Piotr Łukowski) [bib] [pdf] |

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