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Combined effects in mixed local–nonlocal stationary problems

Published online by Cambridge University Press:  04 September 2023

Rakesh Arora
Affiliation:
Department of Mathematical Sciences, Indian Institute of Technology Varanasi (IIT-BHU), Uttar Pradesh 221005, India (rakesh.mat@iitbhu.ac.in, arora.npde@gmail.com)
Vicenţiu D. Rădulescu
Affiliation:
Faculty of Applied Mathematics, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland Faculty of Electrical Engineering and Communication, Brno University of Technology, Technická 3058/10, Brno 61600, Czech Republic Simion Stoilow Institute of Mathematics of the Romanian Academy, Calea Griviţei 21, 010702 Bucharest, Romania School of Mathematics, Zhejiang Normal University, Jinhua, Zhejiang 321004, China Department of Mathematics, University of Craiova, Street A.I. Cuza 13, 200585 Craiova, Romania (radulescu@inf.ucv.ro)

Abstract

In this work, we study an elliptic problem involving an operator of mixed order with both local and nonlocal aspects, and in either the presence or the absence of a singular nonlinearity. We investigate existence or nonexistence properties, power- and exponential-type Sobolev regularity results, and the boundary behaviour of the weak solution, in the light of the interplay between the summability of the datum and the power exponent in singular nonlinearities.

Type
Research Article
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of The Royal Society of Edinburgh

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