This paper deals with some initial-oblique derivative boundary value problemsfor nonlinear nondivergent parabolic systems of several second order equations with
This paper provides a method using fixed-point theory for the reconstruction of the triangle inscribed in convex bodies from X-ray functions in three arbitrary
A map is bisingular if each edge is either a loop (This paper only considersplanar loop) or an isthmus (i.e., on the boundary of the same face). This paper stud