Search Results - "Je, Piotr"

Experimental evaluation of two new GEP-based ensemble classifiers by Je, Joanna, Drzejowicz, Drzejowicz, Je, Piotr

“…► Gene Expression Programming is used to define two new ensemble classifiers. ► Two quality measures are proposed and used in gene selection. ► Validation…”
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Jacobian Conditions For p-Bases by Je¸drzejewicz, Piotr

“…We discuss various sufficient conditions, involving derivations and jacobians, for elements of a domain of characteristic p > 0, to form a p-basis of a ring of…”
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Polynomial Graded Subalgebras of Polynomial Algebras by Je¸drzejewicz, Piotr, Nowicki, Andrzej

“…Let k[x 1 ,..., x n ] be the polynomial algebra over a field k. We describe polynomial graded subalgebras of k[x 1 ,..., x n ], containing , where p 1 , ⋅, p n…”
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Eigenvector p-Bases of Rings of Constants of Derivations by Jedrzejewicz, Piotr

“…Let A be a UFD of characteristic p > 0, let be a set of some eigenvectors of a derivation of A. We prove, under some additional assumptions, a necessary and…”
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Rings of Constants of p-Homogeneous Polynomial Derivations by Je¸drzejewicz, Piotr

“…Let k be a field of characteristic p > 0. We describe all p-homogeneous k-derivations d of k[x, y] such that k[x, y] d , the ring of constants with respect to…”
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Consequences of semen inflammation and lipid peroxidation on fertilization capacity of spermatozoa in in vitro conditions by JE˛DRZEJCZAK, PIOTR, FRA˛CZEK, MONIKA, SZUMAŁA-KA˛KOL, ANNA, TASZAREK-HAUKE, GRAŻYNA, PAWELCZYK, LESZEK, KURPISZ, MACIEJ

“…Summary A body of data exists on reactive oxygen species (ROS) release, however, no direct correlation was found between the oxidative stress and infertility…”
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