BFA 2020




The 5th International Workshop on

Boolean Functions and their Applications (BFA)

September 15 – September 17, 2020

Loen, Norway

NB: Due to the Coronavirus pandemic, BFA 2020 will no longer be held in Granada, and will take place in Loen, Norway from September 15 to September 17 2020; the venue in Granada will be used for the upcoming BFA 2021, which will take place from September 6 to September 10 2021. Only participants from Norway will be able to attend BFA 2020 physically, but everyone will have the possibility to join the workshop online. We kindly ask our participants from outside of Norway to send an email to with their name and affiliation in order to register for the workshop and receive links and instructions for the online workshop.

Boolean functions and more generally all the discrete structures used in error correcting coding, cryptography or communications, are highly active areas of research. The workshop Boolean Functions and their Applications (BFA) is to provide a forum for researchers who are working on discrete functions and structures, particularly on Boolean functions, to exchange ideas and interests in open problems, and to further explore their applications in cryptography, error correcting codes and communications.

This workshop is organised by the Selmer Centre at the University of Bergen. It will take place at the Alexandra hotel in Loen, Norway between September 15 and September 17, 2020.

The awarding of the first George Boole International Prize will take place alongside the BFA workshop.

Important dates

Submission deadline February 1 2020
Acceptance notification March 1 2020
Registration deadline August 10 2020
Camera-ready submission April 15 2020
BFA 2020 September 15 – September 17 2020



The program will consist of eight invited talks, eleven contributed talks, and will conclude with a 30-minute rump session on Thursday.

  Tuesday, Sep 15   Thursday, Sep 17
 9:00 – 9:03

Welcome and George Boole prize winner announcement


9:03 – 9:50 Sihem Mesnager

Reader’s digest of “16-year achievements on Boolean functions and open problems

Faruk Göloglu [video]

APN functions, projective and permutation polynomials

9:50 – 10:40 Daniel Katz [video]

Niho’s Last conjecture

Cunsheng Ding [video]

The linear codes of t-designs held in the Reed-Muller and Simplex codes

10:40 – 11:00 Short break Short break
11:00 – 11:30 Sihem Mesnager and Sihong Su

On constructions of weightwise perfectly balanced functions

Marco Calderini [video]

Differentially low uniform permutations from the Gold and the Bracken-Leander functions

11:30 – 12:00 Aleksandr Kutsenko [video]

Metrical properties of self-dual generalized bent functions

Nurdagül Anbar, Tekgül Kalaycı and Wilfried Meidl [slides, video]

Analysis of APN functions and functions of small differential uniformity from the Maiorana-McFarland class

12:00 – 12:30 Alexey Oblaukhov [video]

Metric regularity of Reed-Muller codes

Pål Ellingsen, Patrick Felke, Constanza Riera, Pantelimon Stanica and Anton Tkachenko [video]

C-differentials, multiplicative uniformity and (almost) perfect c-nonlinearity

12:30 – 14:00 Break Break
14:00 – 14:50 Léo Perrin [video]

How to Take a Function Apart with SboxU

Nikolay Kaleyski

Invariants for equivalence relations on APN functions

14:50 – 15:40 Svetla Nikova [video]

Symmetric Key Techniques In Side-Channel Countermeasures: Implementing a New Threshold

Kai-Uwe Schmidt

Recent results on the nonlinearity of Boolean functions

15:40 – 16:00 Short break Short break
16:00 – 16:30 Petr Lisonek [slides]

Walsh zero spaces of APN functions

François Rodier [video]

Non-linearity of the Carlet-Feng function, and repartition of Gauss sums

16:30 – 17:00 Jaeseong Jeong, Namhun Koo and Soonhak Kwon [video]

On Differentially 4-uniform Permutations with Low Carlitz Rank

Wilfried Meidl and Isabel Pirsic [video]

Bent and Z_{2^k}-bent functions from spread-like partitions

17:00 – 17:15 Nikolay Kolomeec [video]

On properties of a bent function secondary construction

Lyubomir Borissov [video]

On the Parity of Order of Elliptic Curve over Fp

17:15 – 17:30 Sachin Valera

Surface Codes and Quantum Memories

For any question or request, please contact Marco Calderini