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math.CO2024
Signotopes with few plus signs
Helena Bergold, Lukas Egeling, Hung. P. Hoang
Arrangements of pseudohyperplanes are widely studied in computational geometry. A rich subclass of pseudohyerplane arrangements, which has gained more attention in recent years, is…
math.CO2024
Generating all invertible matrices by row operations
Petr Gregor, Hung P. Hoang, Arturo Merino +1
We show that all invertible matrices over any finite field can be generated in a Gray code fashion. More specifically, there exists a listing such that…