Mazes on surfaces
Izidor Hafner, Tomislav Zitko (2003)
Visual Mathematics
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Izidor Hafner, Tomislav Zitko (2003)
Visual Mathematics
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Wilczyński, Władysław, Rzepecka, Genowefa (2015-11-26T16:01:41Z)
Acta Universitatis Lodziensis. Folia Mathematica
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McGehee, Richard P., Peckham, Bruce B. (1994)
Experimental Mathematics
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D. Koutroufiotis, B. Wegner (1977)
Colloquium Mathematicae
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Hamenstädt, Ursula, Koch, Roman (2002)
Experimental Mathematics
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David D. Bleecker (1981)
Colloquium Mathematicae
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Bertolini, Marina, Turrini, Cristina (1998)
Beiträge zur Algebra und Geometrie
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Udrişte, C., Bîlă, N. (1999)
Balkan Journal of Geometry and its Applications (BJGA)
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Kılıç, Erol, Karadaǧ, H.Bayram (2006)
Balkan Journal of Geometry and its Applications (BJGA)
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Georgi Ganchev, Vesselka Mihova (2013)
Open Mathematics
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On any space-like Weingarten surface in the three-dimensional Minkowski space we introduce locally natural principal parameters and prove that such a surface is determined uniquely up to motion by a special invariant function, which satisfies a natural non-linear partial differential equation. This result can be interpreted as a solution to the Lund-Regge reduction problem for space-like Weingarten surfaces in Minkowski space. We apply this theory to linear fractional space-like Weingarten...
Mohamed Belkhelfa, Franki Dillen, Jun-ichi Inoguchi (2002)
Banach Center Publications
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We give a complete classification of surfaces with parallel second fundamental form in 3-dimensional Bianchi-Cartan-Vranceanu spaces.
Pawel Sosna (2013)
Rendiconti del Seminario Matematico della Università di Padova
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Bujalance, E., Costa, A.F., Singerman, D. (1993)
Annales Academiae Scientiarum Fennicae. Series A I. Mathematica
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E. Bujalance, A. Costa, S. Natanzon (1992)
Mathematische Zeitschrift
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Mihăilă, Janina (2001)
APPS. Applied Sciences
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Francois R. Cossec (1985)
Mathematische Annalen
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Georges Dloussky (2014)
Complex Manifolds
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For any minimal compact complex surface S with n = b2(S) > 0 containing global spherical shells (GSS) we study the effectiveness of the 2n parameters given by the n blown up points. There exists a family of surfaces S → B with GSS which contains as fibers S, some Inoue-Hirzebruch surface and non minimal surfaces, such that blown up points are generically effective parameters. These families are versal outside a non empty hypersurface T ⊂ B. We deduce that, for any configuration of...
Steven Dale Cutkosky (2013)
Annales de l’institut Fourier
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We give a simpler and more conceptual proof of toroidalization of morphisms of 3-folds to surfaces, over an algebraically closed field of characteristic zero. A toroidalization is obtained by performing sequences of blow ups of nonsingular subvarieties above the domain and range, to make a morphism toroidal. The original proof of toroidalization of morphisms of 3-folds to surfaces is much more complicated.