Representation of curves of constant width in the hyperbolic plane.
Araújo, P.V. (1998)
Portugaliae Mathematica
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Displaying similar documents to “On pairs of closed geodesics on hyperbolic surfaces”
Representation of curves of constant width in the hyperbolic plane.
The higher derivatives of the inverse tangent function and rapidly convergent BBP-type formulas for pi.
Adegoke, Kunle, Layeni, Olawanle (2010)
Applied Mathematics E-Notes [electronic only]
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Further thoughts on a focusing property of the ellipse.
Wilker, J.B. (1995)
Bulletin of the Belgian Mathematical Society - Simon Stevin
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Differential geometry of grassmannians and the Plücker map
Sasha Anan’in, Carlos Grossi (2012)
Open Mathematics
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Using the Plücker map between grassmannians, we study basic aspects of classic grassmannian geometries. For ‘hyperbolic’ grassmannian geometries, we prove some facts (for instance, that the Plücker map is a minimal isometric embedding) that were previously known in the ‘elliptic’ case.
The hyperbolic metric in a rectangle. II.
Beardon, Alan F. (2003)
Annales Academiae Scientiarum Fennicae. Mathematica
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Solving some problems of advanced analytical nature posed in the SIAM Review. II.
Grosjean, Carl C. (1996)
Bulletin of the Belgian Mathematical Society - Simon Stevin
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On the uniformly continuity of the solution map for two dimensional wave maps.
Georgiev, Svetlin, Georgieva, Penka Vasileva (2003)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Large dimensional sets not containing a given angle
Viktor Harangi (2011)
Open Mathematics
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We say that a set in a Euclidean space does not contain an angle α if the angle determined by any three points of the set is not equal to α. The goal of this paper is to construct compact sets of large Hausdorff dimension that do not contain a given angle α ∈ (0,π). We will construct such sets in ℝn of Hausdorff dimension c(α)n with a positive c(α) depending only on α provided that α is different from π/3, π/2 and 2π/3. This improves on an earlier construction (due to several authors)...
Dihedral f-tilings of the sphere by equilateral and scalene triangles. III.
D'Azevedo Breda, A.M., Ribeiro, Patrícia S., Santos, Altino F. (2008)
The Electronic Journal of Combinatorics [electronic only]
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Values taken by linear combinations of cosine functions.
Laohakosol, Vichian, Tangsupphathawat, Pinthira, Dangskul, Supreedee (2010)
Applied Mathematics E-Notes [electronic only]
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A two parameters Ambrosetti-Prodi problem.
De Coster, C., Habets, P. (1996)
Portugaliae Mathematica
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Certain inequalities concerning some kinds of chordal polygons.
Radić, Mirko (2004)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
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