ON ULAM STABILITY OF THE SECOND ORDER LINEAR DIFFERENTIAL EQUATION

Dorian Popa, Georgiana Pugna, Ioan Rasa
2018 Advances in the Theory of Nonlinear Analysis and its Applications  
We obtain a result on Ulam stability for a linear differential equation in Banach spaces. As application we give a result on the stability of Heun's differential equation.
doi:10.31197/atnaa.402721 fatcat:sctbpjvwqjeixpn2miu2rkcswe