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Caristi’s Inequality and α-Contraction MappingsA new Caristi-type inequality is considered and Caristi’s fixed point theorem for mappings

Metrics on projections of the von Neumann algebra associated with tracial functionalsWe investigate two metricson projections of the von Neumann algebra associated with tracial

Automorphisms of spectral lattices of positive contractions on von Neumann algebras Neumann algebras without Type I2 direct summand any such a map is a composition of function calculus

The solution of a mixed boundary value problem for the Laplace equation in a multiply connected domain of the Dirichlet condition or the form of the Neumann condition. This analytic method gives highly accurate results

Rearrangements of Tripotents and Differences of Isometries in Semifinite von Neumann AlgebrasLet τ be a faithful normal semifinite trace on a von Neumann algebraM, and M^u be a unitary part

On the problem of boundedness of a signed measure on projections of a von Neumann algebraLet M be a von Neumann algebra and Mn be the set of all orthogonal projections in M. We call a

Characterizations of relatively generalized monotone mapsCharacterizations of relatively generalized monotone maps

Mathematical approaches to the analysis of the spatial-age structures of tussock herb speciesSome up-to-date methods of analysis of the spatial and age structures of populations, including

On finite-sheeted covering mappings onto solenoidsWe study limit mappings from a solenoid onto itself. It is shown that each equivalence class

Current perspectives on social mapping of urban territories on the conceptualization of social mapping and its three main types: statistical, anthropological and network

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