Three unavoidable problems. (Russian) Zbl 1299.52014

Kutateladze, S. S.

Vladikavkaz. Mat. Zh. 8, No. 1, 40-52 (2006).

Summary: We briefly discuss isoperimetric problems with inclusion constrains, Pareto optimality in the theory of best approximation, and the problems of describing non-standard toposes.

MSC:

52A40	Inequalities and extremum problems involving convexity in convex geometry
18B25	Topoi
03H05	Nonstandard models in mathematics

Keywords:

Blaschke sum; convex body; nonstandard analysis