2 papers
math.CO2022
On the Automorphism Group of the Substructure Ordering of Finite Directed Graphs
Fanni K. Nedényi, Ádám Kunos
We investigate the automorphism group of the substructure ordering of finite directed graphs. The second author conjectured that it is isomorphic to the 768-element group $(\mathbb…
q-fin.RM2022
Probability equivalent level of Value at Risk and higher-order Expected Shortfalls
Matyas Barczy, Fanni K. Nedényi, László Sütő
We investigate the probability equivalent level of Value at Risk and -order Expected Shortfall (called PELVE_n), which can be considered as a variant of the notion…