6533b85efe1ef96bd12c0548

RESEARCH PRODUCT

A Dido problem for domains in ?2 with a given inradius

S. Segura GomisA. Montesinos Amilibia

subject

DIDODiscrete mathematicsCombinatoricsDifferential geometryHyperbolic geometrySimply connected spaceBoundary (topology)Geometry and TopologyAlgebraic geometryIncircle and excircles of a triangleProjective geometryMathematics

description

We find which are the simply connected domains in ℝ2 satisfying the Dido condition for a straight shoreline, with a given area A and a fixed inradius ϱ, which minimize the length of the free boundary. There are three different cases according to the values of A and ϱ.

https://doi.org/10.1007/bf00147320