Results 101 to 110 of about 13,406 (301)

Deformation of finite-volume hyperbolic Coxeter polyhedra, limiting growth rates and Pisot numbers

open access: yes, 2012
A connection between real poles of the growth functions for Coxeter groups acting on hyperbolic space of dimensions three and greater and algebraic integers is investigated.
Alexander Kolpakov, Kolpakov, Alexander
core   +1 more source

Microfabricated Anisotropic Myobundles for the Scalable Production of Cardiac Tissue Grafts

open access: yesAdvanced Functional Materials, EarlyView.
Controlling the anisotropy of cardiac tissue remains an outstanding challenge in the field of cardiac tissue engineering. Here, we introduce an approach to generate anisotropic cardiac myobundles using cell‐adhesive, synthetic, electrospun fibers and stem cell‐derived cardiac fibroblasts.
Maggie E. Jewett   +15 more
wiley   +1 more source

Hyperbolic Numbers and the Dirac Spinor

open access: yes, 1998
A representation of the Lorentz group is given in terms of 4 X 4 matrices defined over the hyperbolic number system. The transformation properties of the corresponding four component spinor are studied, and shown to be equivalent to the transformation properties of the complex Dirac spinor.
openaire   +2 more sources

The geometry of the disk complex [PDF]

open access: yes, 2013
We give a distance estimate for the disk complex. We use the distance estimate to prove that the disk complex is Gromov hyperbolic. As another application of our techniques, we find an algorithm which computes the Hempel distance of a Heegaard splitting,
Schleimer, Saul, Masur, Howard
core   +1 more source

Twin Crystal Moiré Metasurfaces for Crossing Flat‐Band Transport

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces twin crystal moiré metasurfaces, breaking in‐plane symmetry to enable reconfigurable acoustic wave manipulation. By adjusting the twin angle and interlayer twist angle, various combinations of hyperbolic, flat bands, and elliptic states can be synthesized in the system.
Shida Fan   +9 more
wiley   +1 more source

Stagnation point flow of hyperbolic tangent fluid with Soret-Dufour effects

open access: yesResults in Physics, 2017
Combined effects of Soret (thermal-diffusion) and Dufour (diffusion-thermo) in MHD stagnation point flow of tangent hyperbolic fluid by a stretching sheet are discussed in the present article.
Tasawar Hayat   +3 more
doaj   +1 more source

Standardized Effect Measures Informing Next‐Generation Strategies for Mechanical Stimulation in Cartilage Tissue Engineering

open access: yesAdvanced Healthcare Materials, EarlyView.
This systematic review quantitatively compares conventional mechanical stimulation strategies in cartilage tissue engineering across 85 heterogeneous in vitro studies. Applying standardized effect measures, meta‐analysis reveals that combined compression and shear loading optimally promotes cartilage matrix development.
Jiaqi K. Shen   +7 more
wiley   +1 more source

Topology of Hořava–Lifshitz black holes in different ensembles

open access: yesEuropean Physical Journal C: Particles and Fields
In this paper, we study topological numbers for uncharged and charged static black holes obtained in $$z=3$$ z = 3 Hořava–Lifshitz gravity theory in different ensembles, where z measures the degree of anisotropy between space and time. We first calculate
Deyou Chen   +3 more
doaj   +1 more source

A Study On Dual Hyperbolic Generalized Edouard Numbers

open access: yes
In this research, we introduce the generalized dual hyperbolic Edouard numbers, a novel class of number sequences that extends existing recurrence relations into a new mathematical framework. Several special cases of these numbers are examined in detail,
Soykan, Yuksel, Ayrılma, Emine Esra
core   +1 more source

The Hyperbolic Quadrapell Sequences

open access: yes, 2021
 In this paper, we extend Quadrapell numbers to Hyperbolic Quadarapell numbers, respectively. Moreover we obtain Binet-like formulas, generating functions and some identities related with Hyperbolic Quadarpell numbers. 
Taş, Sait
core  

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