We study a pseudo-differential equation driven by the degenerate fractional p Laplacian, under Dirichlet type conditions in a smooth domain. First we show that the solution set within the order interval given by a sub-supersolution pair is nonempty, directed, and compact, hence endowed with extremal elements. Then, we prove existence of a smallest positive, a biggest negative and a nodal solution, combining variational methods with truncation techniques. (c) 2020 Elsevier Inc. All rights reserved.
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Northeast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R China
Northeast Normal Univ, Ctr Math & Interdisciplinary Sci, Changchun 130024, Jilin, Peoples R ChinaNortheast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R China
Chang, Xiaojun
Nie, Zhaohu
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Utah State Univ, Dept Math & Stat, Logan, UT 84322 USANortheast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R China
Nie, Zhaohu
Wang, Zhi-Qiang
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Utah State Univ, Dept Math & Stat, Logan, UT 84322 USA
Tianjin Univ, Ctr Appl Math, Tianjin 300072, Peoples R ChinaNortheast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R China
机构:
Shandong Jianzhu Univ, Dept Math, Jinan 250101, Shandong, Peoples R ChinaShandong Jianzhu Univ, Dept Math, Jinan 250101, Shandong, Peoples R China
Ding, Youzheng
Wei, Zhongli
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Shandong Jianzhu Univ, Dept Math, Jinan 250101, Shandong, Peoples R ChinaShandong Jianzhu Univ, Dept Math, Jinan 250101, Shandong, Peoples R China
Wei, Zhongli
Xu, Jiafa
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Chongqing Normal Univ, Sch Math, Chongqing 401331, Peoples R ChinaShandong Jianzhu Univ, Dept Math, Jinan 250101, Shandong, Peoples R China
Xu, Jiafa
O'Regan, Donal
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Natl Univ Ireland, Sch Math Stat & Appl Math, Galway, Ireland
King Abdulaziz Univ, NAAM Res Grp, Jeddah 21413, Saudi ArabiaShandong Jianzhu Univ, Dept Math, Jinan 250101, Shandong, Peoples R China