Results 1 to 10 of about 299,137 (271)
Singularities of the eta function of first order differential operators
Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2012 We report on a particular case of the paper [7], joint with Raphaël Ponge, showing that generically, the eta function of a first-order differential operator over a closed manifold of dimension n has first-order poles at all positive integers of the form ...
Loya Paul, Moroianu Sergiu
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Methis: Studia Humaniora Estonica, 2013 The writings of Jüri Üdi (alter ego of Estonian poet and actor Juhan Viiding, from 1968 to 1978) display the reality of something that could be referred to as a joyful dimension of anguish.
Liisi Rünkla
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International Journal of Applied Mechanics and Engineering, 2015 Free vibration analysis of homogeneous and isotropic annular thin plates by using Green’s functions is considered. The formula of the influence function for uniform thin circular and annular plates is presented in closed-form.
K.K. Żur
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Singular Surfaces of Osculating Circles in Three-Dimensional Euclidean Space
Mathematics, 2023 In this paper, we study the surfaces of osculating circles, which are the sets of all osculating circles at all points of regular curves. Since the surfaces of osculating circles may be singular, it is necessary to investigate the singular points of ...
Kemeng Liu, Zewen Li, Donghe Pei
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Exotic singularities and spatially curved Loop Quantum Cosmology [PDF]
, 2010 We investigate the occurrence of various exotic spacelike singularities in the past and the future evolution of $k = \pm 1$ Friedmann-Robertson-Walker model and loop quantum cosmology using a sufficiently general phenomenological model for the equation ...
Francesca Vidotto +2 more
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On the Timelike Circular Surface and Singularities in Minkowski 3-Space
Axioms, 2023 In this paper, we have parameterized a timelike (Tlike) circular surface (CIsurface) and have obtained its geometric properties, including striction curves, singularities, Gaussian and mean curvatures.
Areej A. Almoneef, Rashad A. Abdel-Baky
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Evolutoids and pedaloids of frontals on timelike surfaces
Open Mathematics, 2023 In this article, we define evolutoids and pedaloids of frontals on timelike surfaces in Minkowski 3-space. The evolutoids of frontals on timelike surfaces are not only the generalization of evolutoids of curves in the Minkowski plane but also the ...
Wang Yongqiao +3 more
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Asymptotic silence-breaking singularities
, 2006 We discuss three complementary aspects of scalar curvature singularities: asymptotic causal properties, asymptotic Ricci and Weyl curvature, and asymptotic spatial properties.
Andersson L +17 more
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Quantum Black Holes and (Re)Solution of the Singularity
Universe, 2021 Classical general relativity predicts the occurrence of spacetime singularities under very general conditions. Starting from the idea that the spacetime geometry must be described by suitable states in the complete quantum theory of matter and gravity ...
Roberto Casadio
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Martin Heidegger and the Being and Time of Black Holes [PDF]
Философия и космология, 2020 Scientific narratives about cosmology often present black holes as frightening objects of both creation and destruction, the centres of which are concealed behind event horizons.
Gregory Phipps
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