Characteristically closed domains for first order strictly hyperbolic systems in the plane of boundary
value problems for such systems requires that
singular points go to
singular points under
Quadrature-difference methods for solving linear and nonlinear singular integro-differential equations, nonlinear and multidimensional) of periodic
singular integro-differential equations. © 2008 Elsevier Ltd
Partial measuresWe study σ-additive set functions defined on a hereditary subclass of a σ-algebra and taken
values