JYRKI PIILA AND JUHANI PITKÄRANTA
In the present paper we consider a function f which is a solution of the integral equation
Here g is a given, smooth function defined on the interval [0,1],
is a constant, and L is a continuous piecewise linear
function through the points (0,0),
, (1,1), where also
a>1 is a constant. We mainly focus our attention on the regularity
properties of f. Away from the origin the regularity is analyzed by
applying the Banach fixed point theorem, while near the origin we get a
singular expansion for f by using the Mellin transform techniques.