. In this article, we study exact controllability for degenerate and singular wave equations with a general coefficient. We estimate the observability inequality by the multiplier method and determine the observability time. We also deduce the exact controllability of the corresponding degenerate and singular control problem at a sufficiently large time, employing the Hilbert uniqueness method.
机构:
Northeast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R ChinaNortheast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R China
Zhang, Muming
Gao, Hang
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Northeast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R ChinaNortheast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R China
机构:
Northeast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R ChinaNortheast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R China
Zhang, Muming
Gao, Hang
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Northeast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R ChinaNortheast Normal Univ, Sch Math & Stat, Changchun 130024, Jilin, Peoples R China
机构:
Shanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R China
Jinzhong Univ, Sch Math, Jinzhong 030619, Peoples R ChinaShanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R China
Bai, Jinyan
Chai, Shugen
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Shanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R ChinaShanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R China
Chai, Shugen
Guo, Zhiling
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Shanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R ChinaShanxi Univ, Sch Math Sci, Taiyuan 030006, Peoples R China