2020

Posts (announcements, scientific articles, etc.) published at ICTP in 2020.

Properties of discrete non-multiplicative operators

7 months ago

Abstract The paper is focused on general sequences of discrete linear operators, say \((L_{n})_{n}\geq1\). The special case of positive operators…

On a class of Bernstein-type rational functions

7 months ago

Abstract This note aims to highlight a general class of discrete linear and positive operators, focusing on some of their…

Implicit elliptic equations via Krasnoselskii-Schaefer type theorems

1 year ago

AbstractExistence of solutions to the Dirichlet problem for implicit elliptic equations is established by using Krasnoselskii–Schaefer type theorems owed to…

A vector version of the fixed point theorem of cone compression and expansion for a sum of two operators

1 year ago

Abstract In this work, we establish a vector version of fixed point theorem of cone compression and expansion for an…

Krasnosel’skii type compression-expansion fixed point theorem for set contractions and star convex sets

1 year ago

AbstractIn this paper, we give or improve compression-expansion results for set contractions in conical domains determined by balls or star…

Theoretical basis of optimal therapy for individual patients in chronic myeloid leukemia: A mathematical approach

1 year ago

AbstractEven if the successful pharmacological therapy for chronic myeloid leukemia has reached today a near normal life expectancy in a…

Fixed point index theory for decomposable multivalued maps and applications to φ-Laplacian problems

1 year ago

Abstract In this paper, we develop a fixed point index theory for decomposable multivalued maps, that is, compositions of two…

Harnack type inequalities and multiple solutions in cones of nonlinear problems

1 year ago

AbstractThe paper presents an abstract theory regarding operator equations and systems in ordered Banach spaces. We obtain existence, localization and…

Integrodifferential evolution systems with nonlocal initial conditions

1 year ago

AbstractThe paper deals with systems of abstract integrodifferential equations subject to general nonlocal initial conditions. In order to allow the…

A mathematical model of the transition from the normal hematopoiesis to the chronic and acceleration-acute stages in myeloid leukemia

1 year ago

AbstractA mathematical model given by a two-dimensional differential system is introduced in order to understand the transition process from the…

2020

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