Kumar, DharmendraDharmendraKumarTyagi, JagmohanJagmohanTyagi2025-08-312025-08-312021-05-1510.1002/mma.71342-s2.0-85097869522https://d8.irins.org/handle/IITG2025/23721We establish Lyapunov-type inequalities for a class of singular elliptic partial differential equations. As an application of Lyapunov-type inequalities, we obtain lower bounds for the first eigenvalue of the associated singular elliptic partial differential equations. We also make an attempt to answer a question raised by de Nápoli and Pinasco in J. Funct. Anal. 270 (2016), no. 6, 1995–2018.falseLyapunov inequality | N-Laplace equation | singular elliptic equations | variational methodsArticle109914765593-561615 May 20212arJournal2WOS:000600576300001