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Network geometry [PDF]

open access: yesNature Reviews Physics, 2021
Real networks are finite metric spaces. Yet the geometry induced by shortest path distances in a network is definitely not its only geometry. Other forms of network geometry are the geometry of latent spaces underlying many networks, and the effective geometry induced by dynamical processes in networks.
Marián Boguñá   +5 more
openaire   +3 more sources

Embedding from Discrete Morrey Spaces to Continuous Morrey Spaces [PDF]

open access: yesITM Web of Conferences
In this paper, we present an embedding from discrete Morrey spaces to continuous Morrey Spaces which can be seen as a refinement of the result in [1]. We obtain the result by using a different norm on discrete Morrey spaces, which is equivalent to the ...
Runtunuwu Yohanes Imanuel   +1 more
doaj   +1 more source

Symmetries and strings of adjoint QCD2

open access: yesJournal of High Energy Physics, 2021
We revisit the symmetries of massless two-dimensional adjoint QCD with gauge group SU(N). The dynamics is not sufficiently constrained by the ordinary symmetries and anomalies.
Zohar Komargodski   +3 more
doaj   +1 more source

How Platonic and Archimedean solids define natural equilibria of forces for tensegrity [PDF]

open access: yesFME Transactions, 2019
The Platonic and Archimedean solids are a well-known vehicle to describe certain phenomena of our surrounding world. It can be stated that they define natural equilibria of forces, which can be clarified particularly through the packing of spheres. [1][2]
Eichenauer Friedrich Martin   +1 more
doaj  

Nicolai maps with four-fermion interactions

open access: yesJournal of High Energy Physics, 2023
Nicolai maps offer an alternative description of supersymmetric theories via nonlinear and nonlocal transformations characterized by the so-called ‘free-action’ and ‘determinant-matching’ conditions.
Lorenzo Casarin   +2 more
doaj   +1 more source

Geodesics on Calabi-Yau manifolds and winding states in nonlinear sigma models

open access: yesFrontiers in Physics, 2013
We conjecture that a non-flat D-real-dimensional compact Calabi-Yau manifold, such as a quintic hypersurface with D=6, or a K3 manifold with D=4, has locally length minimizing closed geodesics, and that the number of these with length less than L grows ...
Peng eGao, Michael R. Douglas
doaj   +1 more source

Dynamics of a Modified Sprott A System [PDF]

open access: yesITM Web of Conferences
We examine a modified Sprott A system, one of the 17 chaotic systems without equilibria introduced by Jafari, Sprott, and Golpayegani (2013). For specific parameter values, the modified system exhibits invariant spheres.
Rohman Muhammad Nuur   +2 more
doaj   +1 more source

Geometry of Convex Geometries

open access: yesDiscrete & Computational Geometry
21 pages, 2 ...
Chalopin, Jérémie   +2 more
openaire   +3 more sources

Boundedness of a Kantorovich type of the Szász-Mirakjan Operator [PDF]

open access: yesITM Web of Conferences
Let Bn f represent the n-th Bernstein polynomial for f for each n ϵ ℕ and f ϵ C ([0, 1]) . Then for any f ϵ C ([0, 1]), the sequence {Bn f} converges uniformly to f.
Neswan Oki   +3 more
doaj   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

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