Results 41 to 50 of about 1,286,020 (149)
Radon transforms and the SYK model
Journal of High Energy PhysicsMotivated by recent work on the Sachdev-Ye-Kitaev (SYK) model, we consider the effect of Radon or X-ray transformations, on the Laplace eigenfunctions in hyperbolic Bolyai-Lobachevsky space.
Michael Stone
doaj +1 more source
Did Lobachevsky Have A Model Of His "imaginary Geometry"? [PDF]
, 2010 The invention of non-Euclidean geometries is often seen through the optics of Hilbertian formal axiomatic method developed later in the 19th century. However such an anachronistic approach fails to provide a sound reading of Lobachevsky's geometrical ...
Rodin, Andrei
core +1 more source
The geometry of sound rays in a wind
, 2011 We survey the close relationship between sound and light rays and geometry. In the case where the medium is at rest, the geometry is the classical geometry of Riemann.
C.M. Warnick +4 more
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Brain and Behavior, Volume 15, Issue 6, June 2025.The small molecules RepSox and TCP were investigated for their geroprotective effects in aging C3H mice through intraperitoneal administration. Treatment resulted in improved neurological markers and physical parameters in older mice (16‐20 months), while younger treated mice (10‐13 months) showed increased maximum lifespan compared to controls.
Maria Vedunova +5 more
wiley +1 more source
On the possibility of teaching elements of Lobachevski Geometry at School [PDF]
, 2012 It is useful to teach elements of Lobachevsky geometry at school because the study of non-Euclidean geometry makes good impact on the understanding of logical structure of school geometry, on the comprehension of the role and place of the axiom of ...
Atanasyan, Sergey
core
High‐Entropy Halides for Intercalation Battery Electrode Materials
ChemElectroChem, Volume 12, Issue 9, May 5, 2025.The introduction of the high‐entropy concept to oxides has resulted in improvements in electrochemical properties, which have also been recently applied to fluorides. This concept is a perspective of the fundamentals of high‐entropy concept applying to halides in general.
Sebastian Schumacher +4 more
wiley +1 more source
Rolling of Coxeter polyhedra along mirrors
, 2009 The topic of the paper are developments of $n$-dimensional Coxeter polyhedra. We show that the surface of such polyhedron admits a canonical cutting such that each piece can be covered by a Coxeter $(n-1)$-dimensional domain.Comment: 20pages, 15 ...
DV Alexeevski +5 more
core +2 more sources
Deep learning for electrocardiogram interpretation: Bench to bedside
European Journal of Clinical Investigation, Volume 55, Issue S1, April 2025.Schematic overview of applications of DL‐enabled ECG analysis and the barriers to implementation of DL tools to clinical practice. Abstract Background Recent advancements in deep learning (DL), a subset of artificial intelligence, have shown the potential to automate and improve disease recognition, phenotyping and prediction of disease onset and ...
Bas B. S. Schots +6 more
wiley +1 more source
Primordial magnetic fields constrained by CMB anisotropies and dynamo cosmology
, 2009 Magneto-curvature stresses could deform magnetic field lines and this would give rise to back reaction and restoring magnetic stresses [Tsagas, PRL (2001)].
C. Chicone +9 more
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Numerical Approaches in Nonlinear Fourier Transform‐Based Signal Processing for Telecommunications
Studies in Applied Mathematics, Volume 154, Issue 1, January 2025.ABSTRACT We discuss applications of the inverse scattering transform, also known as the nonlinear Fourier transform (NFT) in telecommunications, both for nonlinear optical fiber communication channel equalization and time‐domain signal processing techniques.
Egor Sedov +3 more
wiley +1 more source