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math.CO2024
On the extended Catalan arrangement of type
Hiraku Kawanoue
We give an explicit formula for the generators of the logarithmic vector field of the coning of the extended Catalan arrangement of type .
math.CO2024
Cokernels of the Euler restriction map of logarithmic derivation modules
Takuro Abe, Hiraku Kawanoue
There are two restriction maps of the logarithmic modules of plane arrangements in a three dimensional vector space. One is the Euler restriction and the other is the Ziegler restr…
math.NT2024★ 1 cited
On Abel's Problem about Logarithmic Integrals in Positive Characteristic
Florian Fürnsinn, Herwig Hauser, Hiraku Kawanoue
Linear differential equations with polynomial coefficients over a field of positive characteristic with local exponents in the prime field have a basis of solutions in the…