Publications and preprints
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A note on the theory of well orders,
preprint, 2024, 4 pp.
[arXiv]
[abstract]
[PDF,
PS]
[BIB]
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On the theory of exponential integer parts,
preprint, 2024, 27 pp.
[arXiv]
[abstract]
[PDF,
PS]
[BIB]
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A note on the complexity of addition,
preprint, 2023, 5 pp.
[arXiv]
[abstract]
[PDF,
PS]
[BIB]
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A simplified lower bound for implicational logic,
preprint, 2023, 32 pp.
[arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Models of VTC0 as exponential integer parts,
Mathematical Logic Quarterly 69 (2023), no. 2, pp. 244–260.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Elementary analytic functions in VTC0,
Annals of Pure and Applied Logic 174 (2023), no. 6, article no. 103269, 50 pp.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Bounded arithmetic and complexity,
DSc. dissertation, Czech Academy of Sciences, Prague, 2021, 253 pp.
[PDF,
PS]
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The theory of hereditarily bounded sets,
Mathematical Logic Quarterly 68 (2022), no. 2, pp. 243–256.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Iterated multiplication in VTC0,
Archive for Mathematical Logic 61 (2022), no. 5–6, pp. 705–767.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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On the proof complexity of logics of bounded branching,
Annals of Pure and Applied Logic 174 (2023), no. 1, article no. 103181, 54 pp.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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On the complexity of the clone membership problem,
Theory of Computing Systems 65 (2021), no. 5, pp. 839–868.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Rules with parameters in modal logic II,
Annals of Pure and Applied Logic 171 (2020), no. 10, article no. 102829, 59 pp.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
-
Induction rules in bounded arithmetic,
Archive for Mathematical Logic 59 (2020), no. 3, pp. 461–501.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Rigid models of Presburger arithmetic,
Mathematical Logic Quarterly 65 (2019), no. 1, pp. 108–115.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Recursive functions and existentially closed structures,
Journal of Mathematical Logic 20 (2020), no. 1, article no. 2050002, 52 pp.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Galois connection for multiple-output operations,
Algebra Universalis 79 (2018), article no. 17, 37 pp.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Division by zero,
Archive for Mathematical Logic 55 (2016), no. 7, pp. 997–1013.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Proof complexity of intuitionistic implicational formulas,
Annals of Pure and Applied Logic 168 (2017), no. 1, pp. 150–190.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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A note on the substructural hierarchy,
Mathematical Logic Quarterly 62 (2016), no. 1–2, pp. 102–110.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Open induction in a bounded arithmetic for TC0,
Archive for Mathematical Logic 54 (2015), no. 3–4, pp. 359–394.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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with Ali Sadegh Daghighi, Mohammad Golshani, and Joel David Hamkins:
The foundation axiom and elementary self-embeddings of the universe,
in: Infinity, Computability, and Metamathematics: Festschrift
celebrating the 60th birthdays of Peter Koepke and Philip Welch
(S. Geschke, B. Löwe, and P. Schlicht, eds.), College
Publications, London, 2014, pp. 89–112.
[arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Cluster expansion and the boxdot conjecture,
Mathematical Logic Quarterly 62 (2016), no. 6, pp. 608–614.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Rules with parameters in modal logic I,
Annals of Pure and Applied Logic 166 (2015), no. 9, pp. 881–933.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Integer factoring and modular square roots,
Journal of Computer and System Sciences 82 (2016), no. 2, pp. 380–394.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Sequence encoding without induction,
Mathematical Logic Quarterly 58 (2012), no. 3, pp. 244–248.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Root finding with threshold circuits,
Theoretical Computer Science 462 (2012), pp. 59–69.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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The complexity of admissible rules of Łukasiewicz logic,
Journal of Logic and Computation 23 (2013), no. 3, pp. 693–705.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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Blending margins: The modal logic K has nullary unification type,
Journal of Logic and Computation 25 (2015), no. 5, pp. 1231–1240.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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The ubiquity of conservative translations,
Review of Symbolic Logic 5 (2012), no. 4, pp. 666–678.
[DOI,
arXiv]
[abstract]
[PDF,
PS]
[BIB]
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with Leszek Kołodziejczyk:
Real closures of models of weak arithmetic,
Archive for Mathematical Logic 52 (2013), no. 1–2, pp. 143–157.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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with Phuong Nguyen:
Simulating non-prenex cuts in quantified propositional
calculus,
Mathematical Logic Quarterly 57 (2011), no. 5, pp. 524–532.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Proofs with monotone cuts,
Mathematical Logic Quarterly 58 (2012), no. 3, pp. 177–187.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Bases of admissible rules of Łukasiewicz logic,
Journal of Logic and Computation 20 (2010), no. 6, pp. 1149–1163.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Admissible rules of Łukasiewicz logic,
Journal of Logic and Computation 20 (2010), no. 2, pp. 425–447.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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A sorting network in bounded arithmetic,
Annals of Pure and Applied Logic 162 (2011), no. 4, pp. 341–355.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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On theories of bounded arithmetic for NC1,
Annals of Pure and Applied Logic 162 (2011), no. 4, pp. 322–340.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Abelian groups and quadratic residues in weak arithmetic,
Mathematical Logic Quarterly 56 (2010), no. 3, pp. 262–278.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Canonical rules,
Journal of Symbolic Logic 74 (2009), no. 4, pp. 1171–1205.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Proof complexity of the cut-free calculus of structures,
Journal of Logic and Computation 19 (2009), no. 2, pp. 323–339.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Approximate counting by hashing in bounded arithmetic,
Journal of Symbolic Logic 74 (2009), no. 3, pp. 829–860.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Substitution Frege and extended Frege proof systems in non-classical logics,
Annals of Pure and Applied Logic 159 (2009), no. 1–2, pp. 1–48.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Independent bases of admissible rules, Logic Journal of the IGPL 16 (2008), no. 3, pp. 249–267.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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On independence of variants of the weak pigeonhole principle,
Journal of Logic and Computation 17 (2007), no. 3, pp. 587–604.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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The strength of sharply bounded induction,
Mathematical Logic Quarterly 52 (2006), no. 6, pp. 613–624.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Approximate counting in bounded arithmetic,
Journal of Symbolic Logic 72 (2007), no. 3, pp. 959–993.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
-
Frege systems for extensible modal logics,
Annals of Pure and Applied Logic 142 (2006), pp. 366–379.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Complexity of admissible rules,
Archive for Mathematical Logic 46 (2007), no. 2, pp. 73–92.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
-
Admissible rules of modal logics,
Journal of Logic and Computation 15 (2005), no. 4, pp. 411–431.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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Weak pigeonhole principle, and randomized computation,
Ph.D. thesis, Faculty of Mathematics and Physics, Charles University,
Prague, 2005, 116 pp.
[abstract]
[browsable PDF,
printable PS]
[BIB]
-
A note on Grzegorczyk’s logic, Mathematical
Logic Quarterly 50 (2004), no. 3, pp. 295–296.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
-
Dual weak pigeonhole principle, Boolean
complexity, and derandomization, Annals of Pure and Applied Logic
129 (2004), pp. 1–37.
[DOI]
[abstract]
[PDF,
PS]
[BIB]
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with Michal Rössler:
Fragment of nonstandard analysis with a
finitary consistency proof, Bulletin of Symbolic Logic
13 (2007), no. 1, pp. 54–70.
[DOI]
[abstract]
[PDF]
[BIB]
-
with Tomáš Kepka and
David Stanovský:
Subdirectly irreducible non-idempotent left symmetric left
distributive groupoids,
Discussiones Mathematicae – General Algebra and
Applications 25 (2005), no. 2, pp. 235–257.
[DOI]
[abstract]
[PDF]
[BIB]
-
Reflexe v neregulárních univerzech
(Elementary embeddings in non-wellfounded set theory),
Master’s thesis, Faculty of Mathematics and Physics, Charles University,
Prague, 2001, 41 pp., in Czech.
[abstract]
[PDF,
PS]
[BIB]
-
Provability logic
of the Alternative Set Theory, Master’s thesis, Faculty of
Philosophy and Arts, Charles University, Prague, 2001, 44 pp.
[introduction]
[PDF,
PS]
[BIB]