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Minimal Pairs Representing Selections of Four Linear Functions in R3

Grzybowski, J.; Pallaschke, Diethard; Urbanski, R.

Abstract: We investigate minimal pairs of continuous selections of four linear functions in three dimemsional space. Our purpose is to find minimal pairs of compact convex sets (polytopes) which represent all 166 continuous selections [see S. G. Bartels, L. Kuntz and S. Scholtes, Nonlinear Analysis, Theory, Meth. Appl. 24 (1995) 385-407] which can be made from the three coordinate functions and its negative sum. We find that these 166 selections are represented by 16 essentialy different minimal pairs which were studied in previous papers of the authors [see J. Grzybowski, Arch. Math. 63 (1994) 173-181, and D. Pallaschke, S. Scholtes, R. Urbanski, Bull. Polish. Acad. Sci. Math. 39 (1991) 105-109]. Three out of 16 cases are minimal pairs that are not unique minimal representations in their own quotient classes. One of these quotient classes was already studied in the above mentioned paper of J. Grzybowski and in the papers of D. Pallaschke, R. Urbanski, Z. Oper. Res. 37 (1993) 129-150, and M. Wiernowolski, Studia Math. 124 (2) (1997) 149-154.

Zugehörige Institution(en) am KIT Institut für Operations Research (IOR)
Publikationstyp Zeitschriftenaufsatz
Jahr 2000
Sprache Englisch
Identifikator ISSN: 0944-6532
KITopen ID: 1000028897
Erschienen in Journal of Convex Analysis
Band 7
Heft 2
Seiten 445 - 452
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