Ragnar Freij
University Lecturer
University Lecturer
T302 Dept. Mathematics and Systems Analysis
Full researcher profile
https://research.aalto.fi/...
Email
[email protected]
Phone number
+358504780996
Research groups
- Algebra and Discrete Mathematics, University Lecturer
Publications
f-vector inequalities for order and chain polytopes
Ragnar Freij-Hollanti, Teemu Lundström
2024
Mathematica Scandinavica
Combinatorial Derived Matroids
Ragnar Freij-Hollanti, Relinde Jurrius, Olga Kuznetsova
2023
Electronic Journal of Combinatorics
Toward the Capacity of Private Information Retrieval from Coded and Colluding Servers
Lukas Holzbaur, Ragnar Freij-Hollanti, Jie Li, Camilla Hollanti
2022
IEEE Transactions on Information Theory
Private Information Retrieval from Colluding and Byzantine Servers with Binary Reed-Muller Codes
Perttu Saarela, Matteo Allaix, Ragnar Freij-Hollanti, Camilla Hollanti
2022
2022 IEEE International Symposium on Information Theory, ISIT 2022
Cyclic flats of binary matroids
Ragnar Freij-Hollanti, Matthias Grezet, Camilla Hollanti, Thomas Westerbäck
2021
Advances in Applied Mathematics
Information hiding using matroid theory
Ragnar Freij-Hollanti, Olga Kuznetsova
2021
Advances in Applied Mathematics
Private Information Retrieval Schemes With Product-Matrix MBR Codes
Julien Lavauzelle, Razane Tajeddine, Ragnar Freij-Hollanti, Camilla Hollanti
2021
IEEE Transactions on Information Forensics and Security
An approximation of theta functions with applications to communications
Amaro Barreal, Mohamed Taoufiq Damir, Ragnar Freij-Hollanti, Camilla Hollanti
2020
SIAM Journal on Applied Algebra and Geometry
Private Streaming With Convolutional Codes
Lukas Holzbaur, Ragnar Freij-Hollanti, Antonia Wachter-Zeh, Camilla Hollanti
2020
IEEE Transactions on Information Theory
Low-Rank Parity-Check Codes over the Ring of Integers Modulo a Prime Power
Julian Renner, Sven Puchinger, Antonia Wachter-Zeh, Camilla Hollanti, Ragnar Freij-Hollanti
2020
2020 IEEE International Symposium on Information Theory, ISIT 2020 - Proceedings