×

Three unavoidable problems. (Russian) Zbl 1299.52014

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
PDFBibTeX XMLCite
Full Text: MNR