A conjecture of Grünbaum on common transversals.
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Displaying 1 – 20 of 51
A Helly number for unions of two boxes in .
Breen, Marilyn (1985)
International Journal of Mathematics and Mathematical Sciences
A New Step in the Solution of the Szökefalvi-Nagy Problem.
V.G. Boltyanski (1992)
Discrete & computational geometry
A Proof of Bárány's Theorem
Žana Kovijanić (1994)
Publications de l'Institut Mathématique
A purely combinatorial proof of the Hadwiger Debrunner conjecture.
Alon, N., Kleitman, D.J. (1997)
The Electronic Journal of Combinatorics [electronic only]
A sandwich theorem and Hyers-Ulam stability of affine functions.
Kazimierz Nikodem, Szymon Wasowicz (1995)
Aequationes mathematicae
A selection theorem of Helly type and its applications
Ehrhard Behrends, Kazimierz Nikodem (1995)
Studia Mathematica
We prove an abstract selection theorem for set-valued mappings with compact convex values in a normed space. Some special cases of this result as well as its applications to separation theory and Hyers-Ulam stability of affine functions are also given.
A simple geometrie proof of a theorem for starshaped unions of convex sets
Libor Veselý (2008)
Acta Universitatis Carolinae. Mathematica et Physica
A staircase illumination theorem for orthogonal polygons.
Breen, Marilyn (2007)
Beiträge zur Algebra und Geometrie
Bounding the Piercing Number.
G. Kalai, N. Alon (1995)
Discrete & computational geometry
Carathéodory's and Helly's dimensions of products of convexity structures
Marek Lassak (1982)
Colloquium Mathematicae
Characterizing certain staircase convex sets in .
Breen, Marilyn (2010)
Beiträge zur Algebra und Geometrie
Complexity aspects of the Helly property: graphs and hypergraphs.
Dourado, Mitre C., Protti, Fábio, Szwarcfiter, Jayme L. (2009)
The Electronic Journal of Combinatorics [electronic only]
Determining Dimension of the Kernel of a Cone.
J. Cel (1992)
Monatshefte für Mathematik
Ein ebenes Transversalenproblem.
Gerd Wegner (1973)
Monatshefte für Mathematik
Extension of Cm, omega-Smooth Functions by Linear Operators.
C. Fefferman (2009)
Revista Matemática Iberoamericana
Haar spaces and polynomial selections.
Balaj, Mircea, Wa̧sowicz, Szymon (2003)
Mathematica Pannonica
Helly property associated with the discrete planes.
Bretto, A., Laget, B. (1998)
Southwest Journal of Pure and Applied Mathematics [electronic only]
Helly-type theorems for infinite and for finite intersections of sets starshaped via staircase paths.
Breen, Marilyn (2008)
Beiträge zur Algebra und Geometrie
Helly-Type Theorems for Spheres.
H. Maehara (1989)
Discrete & computational geometry
Currently displaying 1 – 20 of 51
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