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on Sunday, 28 September, 2025.
A brief In Memoriam was published by CWI Amsterdam where Jan Willem worked for a long time, and continued to have a long association to, ultimately as CWI Fellow (2005).
on Derivability and Admissibility of Inference Rules in Abstract Hilbert Systems at CSL'03/8th KGC, Vienna, August 25—30, 2003.
),
August 1, 2022, Technion, Haifa, Israel,
associated with the conference FSCD 2022,
in the pre-FLoC workshop block of
the Federated Logic Conference 2022 (FLoC 2022).
,
arXiv:2303.14219).
.
| 2024 | Temporary assistant professor (RTDa) at the Department of Computer Science,
Gran Sasso Science Institute, L'Aquila, Italy |
| 2018 — 2024 | Postdoc at the Department of Computer Science,
Gran Sasso Science Institute, L'Aquila, Italy |
| 2015 — 2018 | Postdoc at the Department of Computer Science (theoretical computer
science group),
Vrije
Universiteit Amsterdam, Amsterdam, The Netherlands |
| 2017 | University Teaching Qualification (Basiskwalificatie
Onderwijs)
from Vrije Universiteit Amsterdam, Amsterdam, the Netherlands |
| 2013 — 2015 | Postdoc at the Department of Computer Science (theoretical
computer science group), Vrije
Universiteit Amsterdam working at the NWO project Syntactic Degrees |
| 2013 | Lecturer at the Department of Philosophy of Utrecht University,
Utrecht, the Netherlands for the lecture Models of Computation |
| 2009 — 2012 | Temporary assistant professor at the Department of Philosophy
(theoretical philosophy group), University Utrecht working at the NWO project Realising Optimal Sharing |
| 2007 — 2009 | Temporary assistant professor at the
Department of Philosophy (theoretical philosophy group), University Utrecht working at the NWO BRICKS project Infinity |
| 2004 — 2007 | Postdoc at the Department of Computer Science, Vrije Universiteit Amsterdam working at the NWO project GeoProc (Geometry of Processes) |
| 2005 | PhD in computer science from the Vrije Universiteit Amsterdam thesis (in interpretational proof theory): Relating Proof Systems for Recursive Types (pdf) |
| 2000 — 2004 | AIO at the theoretical computer science group of the
Department of Computer Science of Vrije Universiteit Amsterdam |
| 1999 | MSc in Logic from the Unversity of Amsterdam (ILLC),
Amsterdam, the Netherlands thesis (in proof theory): Cut-Elimination in the Implicative Fragment of a G3mi-Gentzen-system and its Computational Content (pdf) |
| 1997 | Dipl. Ing. Technische Mathematik from the Johannes Kepler
Universität Linz, Linz, Austria thesis (in logic and computational complexity): Die Entscheidungskomplexität logischer Theoreme - eine Studie anhand der Presburger Arithmetik (pdf) |
Ein Lichtbildervortrag zur Verabschiedung meines Vaters Erwin Grabmayer am Urnenhain Linz Urfahr, 27. Februar 2024 (siehe auch Parte, Andenken, Webseite Dobretsberger).
A slide talk for the farewell of my father Erwin Grabmayer at Urnenhain Linz Urfahr, Februar 27, 2024 (see also Farewell Notice, Keepsake Memory, website Dobretsberger).
