2 papers
cs.IT2026
On Reed-Muller subcodes, Grassmannian partitions and sum-free functions
Philipp Heering, Christian Kaspers, Vladislav Taranchuk
A function is called th-order sum-free if the sum of its values over any -dimensional affine subspace of is non-…
math.CO2026
Nonvanishing -flats of Boolean and vectorial functions
Christian Kaspers
th-order sum-free functions are a natural generalization of APN functions using the concept of (non)vanishing flats. In this paper, we introduce a new combinatorial technique to…