26 citations · 96 across the 41 of their papers we have counts for
Showing 2020 · math.COShow all
3 papers · 2 filters
math.CO2020★ 2 cited
On the nonexistence of certain orthogonal arrays of strength four
Rebeka Kiss, Gábor P. Nagy
We show that no orthogonal arrays exist with and . This solves an open problem of the NSUCRYPTO Olympiad 2018. Our result allows us to determine the…
math.CO2020
Embeddings of Ree unitals in a projective plane over a field
Gábor P. Nagy
We show that the Ree unital has an embedding in a projective plane over a field if and only if and is a subfield of . In this case, the…
math.CO2020★ 3 cited
New Steiner systems from old ones by paramodifications
Dávid Mezőfi, Gábor P. Nagy
Techniques of producing new combinatorial structures from old ones are commonly called trades. The switching principle applies for a broad class of designs: it is a local transform…