Jules Jacobs


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I'm a PhD student of Robbert Krebbers at Radboud University studying formal verification and programming languages, and working on deadlock freedom in collaboration with Stephanie Balzer.

Some of my favourite things are: type theory, parametricity, SSA as a dataflow lattice, generating functions & Kirchoff's matrix-tree theorem, differential forms & the Gauss-Bonnet theorem, star semirings, Lagrangian mechanics.


Neuro-biology of Aging Long-term ovarian hormone deprivation alters functional connectivity, brain neurochemical profile and white matter integrity in the Tg2576 amyloid mouse model of Alzheimer's disease
Firat Kara, Michael E. Belloy, Rick Voncken, Zahra Sarwari, Yadav Garima, Cynthia Anckaerts, An Langbeen, Valerie Leysen, Disha Shah, Jules Jacobs, Julie Hamaide, Peter Bols, Johan Van Audekerke, Jasmijn Daans, Caroline Guglielmetti, Kejal Kantarci, Vincent Prevot, Steffen Roßner, Peter Ponsaerts, Annemie Van der Linden, Marleen Verhoye
POPL'21 Paradoxes of Probabilistic Programming
And How to Condition on Events of Measure Zero with Infinitesimal Probabilities
Jules Jacobs
pdf acm dl bibtex code slides video

Drafts & Notes

Mar. 2021 How to prove normalisation of STLC
Jules Jacobs
Dec. 2020 A simple proof of the matrix-tree theorem, upward routes, and a matrix-tree-cycle theorem
Jules Jacobs
Dec. 2020 Functional Evaluation Contexts
An alternative way to handle evaluation contexts in proof assistants like Coq
Jules Jacobs
pdf code
Dec. 2020 Sorting Real Numbers, Constructively
Jules Jacobs
Dec. 2020 Binary Search a Little Simpler & More Generic
Jules Jacobs
Sep. 2020 A Magic Determinant Formula for Symmetric Polynomials of Eigenvalues
Jules Jacobs
pdf code


3 Feb 2021 Deadlock Freedom for Session Types Using Separation Logic
SWS Seminar slides
22 Jan 2021 Paradoxes of Probabilistic Programming
POPL'21 slides
25 Nov. 2020 Paradoxes of Probabilistic Programming
PL Seminar, TU Delft slides
23 Nov. 2020 Paradoxes of Probabilistic Programming
PPLV, University College London slides
28 Oct. 2020 Paradoxes of Probabilistic Programming
SWS Seminar, Radboud University slides


2020 Assisting Robbert Krebbers with the supervision of a master thesis project.
2020 Assisted Robbert Krebbers with the Software Verification course at TU Delft.

Academic Service

2020Reviewer for ESOP'21.
2020Reviewer for ICFP'20.