Janoš Vidali

Raziskovanje / Research

Članki / Papers

• J. Vidali, P. Nose, E. Pašalić: Collisions for variants of the BLAKE hash function
• M. Deza, E. Deza, J. Vidali: Cones of Weighted and Partial Metrics | arXiv
• A. Jurišić, J. Vidali: Extremal 1-codes in distance-regular graphs of diameter 3
• A. Jurišić, J. Vidali: Restrictions on classical distance-regular graphs
• J. Vidali: Using symbolic computation to prove nonexistence of distance-regular graphs | conference paper
• A. Jurišić, J. Vidali: The Sylvester graph and Moore graphs
• P. Potočnik, J. Vidali: Girth-regular graphs
• A. Jurišić, J. Vidali: No strongly regular graph is locally Heawood
• K. Berčič, J. Vidali: DiscreteZOO: A Fingerprint Database of Discrete Objects | conference paper
• A. Gavrilyuk, S. Suda, J. Vidali: On tight 4-designs in Hamming association schemes | arXiv
• A. Gavrilyuk, J. Vidali, J. Williford: On few-class Q-polynomial association schemes: feasible parameters and nonexistence results
• P. Potočnik, J. Vidali: Cubic vertex-transitive graphs of girth six | arXiv

Repozitoriji / Repositories

• gap-graphs: a collection of graph constructions in GAP/GRAPE
• mixedgraph: a Sage class for graphs with both directed and undirected edges
• sage-drg: a Sage package for checking feasibility of parameter sets of distance-regular graphs
• tables: mirror of Andries E. Brouwer’s data on strongly regular and distance-regular graphs, Jason S. Williford’s data on primitive 3-class Q-polynomial association schemes, and G. Eric Moorhouse’s data on projective planes and generalised polygons
• tilings: a Sage package for surface tilings

Projekti / Projects

Razvoj / Developing

• DiscreteZOO | GitHub repos | Sage interface: a database of graphs and other combinatorial objects
• github-feeds: GitHub event feed viewer
• jsonext: an extendable JSON parser for Python
• Kriptogram - crypto portal | repo: a portal for cryptography (in Slovene)
• onlyonce: a service for ephemeral data transfer

Prispevki / Contributing

• bottlesession | my fork: session management for bottle.py
• github-latest-commits | my fork: GitHub latest commits widget
• Helios | my fork: secure voting server
• izpit: a LaTeX package for exams
• Project Tomo | repo: a web service for teaching programming
• Sage | repo: open source mathematical software

Hrošči / Bugs

• jupyter-test: Jupyter/IPython notebook rendering test illustrating two issues with GitLab’s renderer
• rvest-table-fill: the incorrect behaviour of rvest version 0.3.2 with multirow cells in HTML tables and the proposed fix

Učenje / Teaching

(mostly in Slovene)

Dodiplomski predmeti / Undergraduate courses

• Analiza podatkov s programom R / Data analysis with R: 2020/21 | 2019/20 | 2018/19 | 2017/18 | 2017 | 2015/16 | 2014/15 | zapiski | zagovori | predavanja | slike za Docker
• Diskretne strukture (FiM) / Discrete structures: vaje
• Operacijske raziskave / Operations research: vaje | zbirka nalog
• Optimizacijske metode / Optimization methods: predavanja/vaje | LaTeX paket za risanje omrežij
• Osnove podatkovnih baz / Introduction to databases: predavanja/vaje | primer z bottle.py | primer s Shiny | predavanja 2014-2022
• Podatkovne baze 1 / Databases 1: predavanja/vaje | 2019/20 | 2018/19 | 2017/18 | predavanja 2016-2019
• Podatkovne strukture in algoritmi 1 / Data structures and algorithms 1: vaje
• Uvod v programiranje / Introduction to programming: 2017/18 | predavanja

Magistrski predmeti / Master courses

• Kriptografija in računalniška varnost / Cryptography and Computer security: vaje
• Logika v računalništvu / Logic in Computer science: vaje | 2014
• Računska geometrija / Computational geometry: vaje | zagovori
• Teorija programskih jezikov / Theory of Programming Languages: 2015/16

Ostalo / Other

• Geohashing RSS feed (change the lat and lon parameters to get data for your graticule)
• misc: miscellaneous stuff that I’ve programmed over the years