Zobrazeno 1 - 10 of 24 pro vyhledávání: '"Krystyna Kuperberg"'
2
Total Curvature and Spiralling Shortest Paths
Autor: Tudor Zamfirescu, Krystyna Kuperberg, Imre Bárány
Publikováno v: Discrete and Computational Geometry. 30:167-176
This paper gives a partial confirmation of a conjecture of Agarwal, Har-Peled, Sharir, and Varadarajan that the total curvature of a shortest path on the boundary of a convex polyhedron in R3 cannot be arbitrarily large. It is shown here that the con
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39486d36b85e0f0c853320e665e97e6f
https://doi.org/10.1007/s00454-003-0001-z
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3
Formal Mathematics for Mathematicians
Autor: Artur Korniłowicz, Andrzej Trybulec, Adam Naumowicz, Krystyna Kuperberg
Publikováno v: Journal of Automated Reasoning. 50:119-121
The collection of works for this special issue was inspired by the presentations given at the 2011 AMS Special Session on Formal Mathematics for Mathematicians: Developing Large Repositories of Advanced Mathematics. The issue features a collection of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96760733e4c96cb6d3587a54f11510a5
https://doi.org/10.1007/s10817-012-9268-z
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4
Elektronická kniha
Geometry and Topology in Dynamics
Autor: Marcy Barge, Krystyna Kuperberg
This volume consists of the written presentations of lectures given at two special sessions: the AMS Special Session on Topology in Dynamics (Winston-Salem, NC) and the AMS-AWM Special Session on Geometry in Dynamics (San Antonio, TX). Each article c
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5
Fixed points of orientation reversing homeomorphisms of the plane
Autor: Krystyna Kuperberg
Publikováno v: Proceedings of the American Mathematical Society. 112:223-229
Let h h be an orientation reversing homeomorphism of the plane onto itself. If X X is a plane continuum invariant under h h , then h h has a fixed point in X X . Furthermore, if at least one of the bounded complementary domains of X X is invariant un
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5561b20178c1771ceb729fa912d33517
https://doi.org/10.1090/s0002-9939-1991-1064906-x
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7
On the bihomogeneity problem of Knaster
Autor: Krystyna Kuperberg
Publikováno v: Transactions of the American Mathematical Society. 321:129-143
The author constructs a locally connected, homogeneous, finitedimensional, compact, metric space which is not bihomogeneous, thus providing a compact counterexample to a problem posed by B. Knaster around 1921.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc791a0f01fb8b9567440b9398506b94
https://doi.org/10.1090/s0002-9947-1990-0989579-7
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9
A knotted minimal tree
Autor: Krystyna Kuperberg
This paper contains a construction of a finite set X in the boundary of the unit 3-ball in R^3 whose minimal tree is knotted. The example answers Problem 5.17 in ''Problems in Low-dimensional Topology'' by Rob Kirby posed by Michael Freedman: ''Given
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fd7ded79614c00b28c713ffe18fa06d
http://arxiv.org/abs/math/9806080
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10
Almost-tiling the plane by ellipses
Autor: Włodzimierz Kuperberg, Krystyna Kuperberg, Jirí Matousek, Pavel Valtr
For any delta > 1 we construct a periodic and locally finite packing of the plane with ellipses whose delta-enlargement covers the whole plane. This answers a question of Imre B��r��ny. On the other hand, we show that if C is a packing in the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8280e92f6b8d01564f9aa66cde1136b4
http://arxiv.org/abs/math/9804040
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