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We study fractions associated to Ford circles which are extracted by means continuous curves. We show that the extracted fractions have similar properties to Farey sequences, like the Farey sum, and we prove that every ordered sequence that…

Number Theory · Mathematics 2023-12-21 Mauricio Elizalde , Cesar Guevara

Any four mutually tangent spheres in R^3 determine three coincident lines through opposite pairs of tangencies. As a consequence, we define two new triangle centers.

Metric Geometry · Mathematics 2010-01-21 David Eppstein

The equivalence problem of curves with values in a Riemannian manifold, is solved. The domain of validity of Frenet's theorem is shown to be the spaces of constant curvature. For a general Riemannian manifold new invariants must thus be…

Differential Geometry · Mathematics 2012-07-20 M. Castrillon Lopez , V. Fernandez Mateos , J. Munoz Masque

Based on the method developed in [K.~H.~Phan and T.~Riemann, Phys.\ Lett.\ B {\bf 791} (2019) 257], detailed analytic results for scalar one-loop two-, three-, four-point integrals in general $d$-dimension are presented in this paper. The…

High Energy Physics - Phenomenology · Physics 2020-06-24 Khiem Hong Phan

The paper proposes a generalization of the Park transform based on the Frenet frame, which is a special set of coordinates defined in differential geometry for space curves. The proposed geometric transform is first discussed for three…

Differential Geometry · Mathematics 2022-11-23 Federico Milano

In the present paper, firstly we give the general formulas according to first fundamental form of a surface for different types of loxodromes, meridians and surfaces in E^3_1. After that, we obtain the differential equations of loxodromes…

Differential Geometry · Mathematics 2021-11-23 Ahmet Kazan , Mustafa Altın

Several identities similar to the Schlaefli formula are established for tetrahedra in a space of constant curvature.

Geometric Topology · Mathematics 2008-02-20 Feng Luo

In this paper, we introduce principally $\delta$-lifting modules which are analogous to $\delta$-lifting modules and principally $\delta$-semiperfect modules as a generalization of $\delta$-semiperfect modules and investigate their…

Rings and Algebras · Mathematics 2017-07-11 Hatice Inankil , Sait Halicioglu , A. Harmanci

A convenient technique for calculating completed topological tensor products of functional Frechet or DF spaces is developed. The general construction is applied to proving kernel theorems for a wide class of spaces of smooth and entire…

Functional Analysis · Mathematics 2007-05-23 A. G. Smirnov , M. A. Soloviev

The mechanics of an oriented point (point with "spin") based on 3D and 4D Frenet equations is considered. In such mechanics there is an opportunity to describe formally any physical trajectory of a particle with own rotation. We use…

General Relativity and Quantum Cosmology · Physics 2017-02-09 Trukhanova Mariya , Shipov Gennady

We first prove that, unlike the biharmonic case, there exist triharmonic curves with nonconstant curvature in a suitable Riemannian manifold of arbitrary dimension. We then give the complete classification of triharmonic curves in surfaces…

Differential Geometry · Mathematics 2021-08-06 Stefano Montaldo , Alvaro Pampano

We investigate necessary and sufficient conditions under which entire functions in de Branges spaces can be recovered from function values and values of derivatives. Our main focus is on spaces with a structure function whose logarithmic…

Complex Variables · Mathematics 2017-05-11 Felipe Gonçalves , Friedrich Littmann

Binet formulae for three versions of third-order Pell polynomials are derived.

Number Theory · Mathematics 2020-12-03 Helmut Prodinger

In this note we give exact formulas (and asymptotics) for the number of rational points of bounded height on weighted projective stacks over global function fields.

Number Theory · Mathematics 2024-10-29 Tristan Phillips

This is a common introduction to math.RT/0101170, math.RT/0306333, math.RT/0506043, math.RT/0601028. Compared to these references there are new results including (i) a description of a separable closure of an extension of transcendence…

Representation Theory · Mathematics 2007-05-23 M. Rovinsky

We introduce and study a generalization of the classical weighted Bergman and Dirichlet spaces on the unit ball in high dimension, the Bergman-Dirichlet spaces. Their counterparts on the whole $n$-complex space, the Bargmann-Dirichlet…

Complex Variables · Mathematics 2015-06-23 Ayman El Fardi , Allal Ghanmi , Ahmed Intissar , Mohammed Ziyat

We define affine transport lifts on the tangent bundle by associating a transport rule for tangent vectors with a vector field on the base manifold. The aim is to develop tools for the study of kinetic/ dynamical symmetries in relativistic…

Mathematical Physics · Physics 2008-11-06 Roy Maartens , David Taylor

We establish upper bounds for shifted moments of modular $L$-functions to a fixed modulus as well as quadratic twists of modular $L$-functions under the generalized Riemann hypothesis. Our results are then used to establish bounds for…

Number Theory · Mathematics 2024-12-18 Peng Gao , Liangyi Zhao

In the literature, two approaches to the Weierstrass representation formula using spinors are known, one explicit, going back to Kusner & Schmitt, and generalized by Konopelchenko and Taimanov, and one abstract due to Friedrich, Bayard,…

Differential Geometry · Mathematics 2017-02-22 Pascal Romon , Julien Roth

We continue the study of the correlation functions for the point stochastic processes introduced in Part I (G.Olshanski, math.RT/9804086). We find an integral representation of all the correlation functions and their explicit expression in…

Representation Theory · Mathematics 2007-05-23 Alexei Borodin
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