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math.CO2015
A non-existence result on symplectic semifield spreads
Stefano Capparelli, Valentina Pepe
We prove that there do not exist non-Desarguesian symplectic semifield spreads of PG, even, whose associated semifield has center containing ,…
math.CO2015★ 1 cited
Some results on Dyck paths and Motzkin paths
Stefano Capparelli, Alberto Del Fra
We introduce an equivalence relation on the set of Dyck paths and some operations on them. We determine a formula for the cardinality of those equivalence classes and use this info…