Results 21 to 30 of about 46,876 (239)
General parametrization of higher-dimensional black holes and its application to Einstein-Lovelock theory [PDF]
, 2020 Here we have developed the general parametrization for spherically symmetric and asymptotically flat black-hole spacetimes in an arbitrary metric theory of gravity. The parametrization is similar in spirit to the PPN approximation, but valid in the whole
R. Konoplya, T. Pappas, Z. Stuchl'ik
semanticscholar +1 more source
2+1 gravity, chaos and time machines [PDF]
, 2000 2+1 gravity for spacetimes with topology RxT^2 has been much studied. We add a description of how to extend these spacetimes across a Cauchy horizon into a region where the torus becomes Lorentzian. The result is a one parameter family of tori given by a
Bengtsson, Ingemar, Braennlund, Johan
core +3 more sources
On the finiteness and periodicity of the $p$--adic Jacobi--Perron algorithm [PDF]
, 2019 Multidimensional continued fractions (MCFs) were introduced by Jacobi and Perron in order to obtain periodic representations for algebraic irrationals, as it is for continued fractions and quadratic irrationals.
Murru, Nadir, Terracini, Lea
core +2 more sources
On the metric theory of the optimal continued fraction expansion [PDF]
Bulletin of the Australian Mathematical Society, 1997 Suppose kn denotes either φ(n) or φ(rn) (n = 1, 2, …) where the polynomial φ maps the natural numbers to themselves and rk denotes the kth rational prime. Let denote the sequence of convergents to a real numbers x for the optimal continued fraction expansion. Define the sequence of approximation constants byIn this paper we study the behaviour of the
openaire +2 more sources
The Ostrogradsky series and related probability measures
, 2006 We develop a metric and probabilistic theory for the Ostrogradsky representation of real numbers, i.e., the expansion of a real number $x$ in the following form: \begin{align*} x&= \sum_n\frac{(-1)^{n-1}}{q_1q_2... q_n}= &=\sum_n\frac{(-1)^{n-1}}{g_1(g_1+
Albeverio, S. +3 more
core +1 more source
Conformal Graph Directed Markov Systems on Carnot Groups [PDF]
Memoirs of the American Mathematical Society, 2016 We develop a comprehensive theory of conformal graph directed Markov systems in the non-Riemannian setting of Carnot groups equipped with a sub-Riemannian metric.
V. Chousionis +2 more
semanticscholar +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Purpose Although not always achieved, complete chemotherapy‐induced nausea and vomiting (CINV) control is the conventional goal of CINV prophylaxis. In this two‐center, mixed‐methods study, we sought to understand the preferences of adolescent patients and family caregivers for CINV control endpoints.
Haley Newman +8 more
wiley +1 more source
New parametrization for spherically symmetric black holes in metric theories of gravity
, 2014 We propose a new parametric framework to describe in generic metric theories of gravity the spacetime of spherically symmetric and slowly rotating black holes.
Rezzolla, Luciano, Zhidenko, Alexander
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background This study investigated how neighborhood‐level social determinants of health (SDOH), including redlining and neurological risk, interact to influence cognitive outcomes in children treated for brain tumors (CTBT). Methods A retrospective chart review of 161 CTBT aged 5–17 was conducted.
Alannah R. Srsich +5 more
wiley +1 more source
Axisymmetric black holes allowing for separation of variables in the Klein-Gordon and Hamilton-Jacobi equations [PDF]
, 2018 We determine the class of axisymmetric and asymptotically flat black-hole spacetimes for which the test Klein-Gordon and Hamilton-Jacobi equations allow for the separation of variables.
R. Konoplya, Z. Stuchl'ik, A. Zhidenko
semanticscholar +1 more source