{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T13:16:24Z","timestamp":1778159784719,"version":"3.51.4"},"reference-count":42,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Asymptotic Analysis"],"published-print":{"date-parts":[[2016,1,7]]},"abstract":"<jats:p>In the present paper, we study the existence of multiple solutions for a nonlinear Choquard equation in the presence of a magnetic field. Using variational methods, penalization techniques and Ljusternik\u2013Schnirelmann theory, we relate the number of solutions with the topology of the set where the potential attains its minimum value.<\/jats:p>","DOI":"10.3233\/asy-151337","type":"journal-article","created":{"date-parts":[[2016,1,8]],"date-time":"2016-01-08T10:07:44Z","timestamp":1452247664000},"page":"135-159","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":16,"title":["Multiple semiclassical solutions for a\u00a0nonlinear Choquard equation with magnetic\u00a0field"],"prefix":"10.1177","volume":"96","author":[{"given":"Claudianor O.","family":"Alves","sequence":"first","affiliation":[{"name":"Unidade Acad\u00eamica de Matem\u00e1tica, Universidade Federal de Campina Grande, 58109-970, Campina Grande \u2013 PB, Brazil. 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