Fractional Differential Calculus · Volume 8, Issue 1 Non-existence results and analytical bounds of eigenvalues for a class of fractional eigenvalue problems 08-03 Pages 43-55 DOI 10.7153/fdc-2018-08-03 Downloads Short PDF Full PDF PNG Authors Mohammed Al-Refai Keywords fractional differential equations Caputo fractional derivative maximum principles Sturm-Liouville eigenvalue problems Subject classes 34A08 34Bxx 35J40