Opis
Na kolejny tom złożyły się artykuły prezentujące nowe, interesujące wyniki z różnych dziedzin matematyki, a także sprawozdanie z konferencji. W publikacji zamieszczono następujące prace: Stability of the Pexider functional equation; Orderings of higher level in multifields and multirings; On invertible preservers of singularity and nonsingularity of matrices over a field; The invariant straight lines of an affine transformation in Rn without fixed points; Approximation methods for solving the stochastic network flow problem with the moment multicriterion; A functional equation characterizing homographic functions; A Kneser theorem for ordinary differential equations in Banach spaces. Spis treściContents ROMAN BADORA, BARBARA PRZEBIERACZ, PETER VOLKMANN: Stability of the Pexider functional equation / 7 PAWEŁ GŁADKI: Orderings of higher level in multifields and multirings / 15 JÓZEF KALINOWSKI: On invertible preservers of singularity and nonsingularity of matrices over a field / 27 ERWIN KASPAREK: The invariant straight lines of an affine transformation in Rn without fixed points / 35 MARTA KOSTRZEWSKA, LESŁAW SOCHA: Approximation methods for solving the stochastic network flow problem with the moment multicriterion / 39 JANUSZ MATKOWSKI: A functional equation characterizing homographic functions / 61 MARC MITSCHELE: A Kneser theorem for ordinary differential equations in Banach spaces / 71 Report of Meeting. The Tenth Debrecen–Katowice Winter Seminar on Functional Equations and Inequalities, Zamárdi (Hungary), February 3–6, 2010 / 87