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Iosif Petrakis
Temporary Assistant Professor
Peter Michael Schuster
Full Professor
Research interests
Topic People Description
Hilbert's Programme for Abstract Mathematics Peter Michael Schuster
Extracting the computational content of classical proofs in conceptual mathematics. Particular attention is paid to invocations of logical completeness in mathematical form, typically as variants of Zorn's Lemma.
Type Theory and Category Theory Iosif Petrakis
Martin Loef Type Theory is a foundational framework both for functional programming and constructive mathematics. Its recent extension, Homotopy Type Theory, revealed new, unexpected connections between algebraic topology and theoretical computer science. Certain categorical models of dependent types generate the, so-called, dependent category theory, and its dual, codependent category theory.
Proof theory and constructive mathematics Iosif Petrakis
Peter Michael Schuster
Proof theory at large studies mathematical proofs, which thus become themselves objects of mathematics. In a nutshell, the goal is to understand "what can be proved with what" and to gain computational information from proofs. Constructive mathematics aims at direct proofs from which one can read off algorithms; any such algorithm comes with a certificate of correctness for free, which just is the original proof.

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