Holder of the Junior Professorship
Prof. Dr. Anton Freund
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2008-14: Bachelor and Master studies at LMU Munich with a gap year in Paris
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2014-18: PhD studies with Michael Rathjen at Leeds
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2018-21: Postdoc with Ulrich Kohlenbach at Darmstadt
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2021-23: Emmy Noether group leader (DFG) at Darmstadt
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since 2023: Tenure track professor and Emmy Noether group leader at Würzburg
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Weak well orders and Fraïssé’s conjectureThe Journal of Symbolic Logic, 16 pp, to appear
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Provable better quasi ordersNotre Dame Journal of Formal Logic, 13 pp, to appear
- [ arxiv ]
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Higman’s lemma is stronger for better quasi ordersOrder, 7 pp, to appear
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The logical strength of minimal bad arraysProceedings of the American Mathematical Society 13 pp, to appear
- [ arxiv ]
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Normal functions and maximal order typesJournal of Logic and Computation, 34, 1064-1081 (2024)
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Bachmann-Howard derivativesArchive for Mathematical Logic 62, 581-618 (2023)
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Bounds for a nonlinear ergodic theorem for Banach spacesErgodic Theory and Dynamical Systems 43, 1570-1593 (2023)
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The uniform Kruskal theorem: between finite combinatorics and strong set existencePhilosophical Transactions of the Royal Society A 381, article no. 20220016, 16 pp (2023)
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On the logical strength of the better quasi order with three elementsTransactions of the American Mathematical Society 376, 6709–6727 (2023)
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Well ordering principles for iterated Pi^1_1-comprehensionSelecta Mathematica 29, article no. 76, 83 pp (2023)
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Minimal bad sequences are necessary for a uniform Kruskal theoremAdvances in Mathematics 400, article no. 108265, 44 pp (2022)
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R.E. Bruck, proof mining and a rate of asymptotic regularity for ergodic averages in Banach spacesApplied Set-Valued Analysis and Optimization 4, 323-336 (2022)
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A mathematical commitment without computational strengthThe Review of Symbolic Logic 15, 880-906 (2022)
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Boundedness theorems for flowers and sharpsProceedings of the American Mathematical Society 150, 3973-3988 (2022)
- [ DOI ]
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Patterns of resemblance and Bachmann-Howard fixed pointsSelecta Mathematica 28, article no. 19, 32 pp (2021)
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Derivatives of normal functions in reverse mathematicsAnnals of Pure and Applied Logic 172, article no. 102890, 49 pp (2021)
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Ackermann and Goodstein go functorialPacific Journal of Mathematics 313, 251-291 (2021)
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Well ordering principles and Pi^1_4-statements: a pilot studyThe Journal of Symbolic Logic 86, 709-745 (2021)
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Predicative collapsing principlesThe Journal of Symbolic Logic 85, 511-530 (2020)
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From Kruskal’s theorem to Friedman’s gap conditionMathematical Structures in Computer Science 30, 952-975 (2020)
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Set-theoretic reflection is equivalent to induction over well-founded classesProceedings of the American Mathematical Society 148, 4503-4515 (2020)
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What is effective transfinite recursion in reverse mathematics?Mathematical Logic Quarterly 66, 479-483 (2020)
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Short Proofs for Slow ConsistencyNotre Dame Journal of Formal Logic 61, 31-49 (2020)
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How strong are single fixed points of normal functions?The Journal of Symbolic Logic 85, 709-732 (2020)
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A note on ordinal exponentiation and derivatives of normal functionsMathematical Logic Quarterly 66, 326-335 (2020)
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A categorical construction of Bachmann-Howard fixed pointsBulletin of the London Mathematical Society 51, 801-814 (2019)
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Computable aspects of the Bachmann-Howard principleJournal of Mathematical Logic 20, article no. 2050006, 26 pp (2019)
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Pi^1_1-comprehension as a well-ordering principleAdvances in Mathematics 355, article no. 106767, 65 pp (2019)
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A note on iterated consistency and infinite proofsArchive for Mathematical Logic 58, 339-346 (2018)
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Proof lengths for instances of the Paris-Harrington principleAnnals of Pure and Applied Logic 168, 1361-1382 (2017)
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Slow reflectionAnnals of Pure and Applied Logic 168, 2103-2128 (2017)
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Lattice-based and topological representations of binary relations with an application to musicAnnals of Mathematics and Artificial Intelligence 73, 311-334 (2015)
- [ DOI ]
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A Uniform Characterization of Sigma_1-Reflection over the Fragments of Peano ArithmeticIn: Mainzer, K., Schuster, P., and Schwichtenberg, H. (eds.) Proof and Computation II. From Proof Theory and Univalent Mathematics to Program Extraction and Verification. pp. 189-253. World Scientific, Singapore (2022)
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Proof mining a nonlinear ergodic theorem for Banach spaces (abstract)Dagstuhl Report 11, 158-159 (2022)
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Goodstein’s theorem meets reverse mathematics (abstract)Oberwolfach Report 34, 1701-1703 (2020)
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Type‐Two Well‐Ordering Principles and Pi^1_1-Comprehension (abstract)The Bulletin of Symbolic Logic 24, 228 (2018)
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The slow reflection hierarchy (abstract)The Bulletin of Symbolic Logic 23, 240-241 (2017)
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Proof Length and the Paris‐Harrington Principle (abstract)Oberwolfach Report 14, 3129–3130 (2017)
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Where can we really prove instances of the Paris‐Harrington Principle? (abstract)Proceedings in Applied Mathematics and Mechanics 16, 903-904 (2016)
- [ DOI ]