resulting into the parallel or spiral type. In the parallel type, the 2 ducts are usually joined with fibrous tissue which might express great difficulty in their exposure and separation during cholecystectomy. The ratio of the spiral type of junction was slightly lower than that found in America (8%), but markedly lower than that reported in Britain which equaled to 25%. The liver seemed to be...

We study polygonal analogues of several moving boundary problems and their time discretization which preserves the constant area speed property. We establish various polygonal analogues of geometric formulas for moving boundaries and make use of the geometric formulas for our numerical scheme to analyse general constant area speed motion of polygons. Accuracy and efficiency of our numerical sch...

In this paper, some information about polygonal numbers are given. Also, a general binary operator that includes all given and it is investigated whether the algebraic structures defined with specify semigroup or not.

We study inequalities between the hyperbolic metric and intrinsic metrics in convex polygonal domains complex plane. A special attention is paid to triangular ratio rectangles. local leads investigation of relationship conformal radius at an arbitrary point a planar domain distance boundary.