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Scalable multi-product inventory control with lead time constraints using reinforcement learning
Determining optimum inventory replenishment decisions are critical for retail businesses with uncertain demand. The problem becomes particularly...
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Stable chlorine isotopes in saline springs from the Nangqen basin, Qinghai–Tibet Plateau: Brine genesis and evolution
Chlorine isotopes can be used to study the evolution of different fluids, sources and the causes of various related deposits. In this study, Cl...
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Capital Control, Exchange Rate Regime, and Monetary Policy: Indeterminacy and Bifurcation
Will capital controls enhance macroeconomic stability? How will the results be influenced by the exchange rate regime and monetary policy reaction?...
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Application of the Energy Conservation Law in the Cold Plasma Model
AbstractFor the two-fluid hydrodynamic cold plasma model, differential relations characterizing the energy conservation law are derived. The case...
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Gravitational wave driving of a gapped holographic system
This work addresses the response of a holographic conformal field theory to a homogeneous gravitational periodic driving. The dual geometry is the...
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Non-adiabatic Dynamics in d + id-Wave Fermionic Superfluids
We consider a problem of non-adiabatic dynamics of a 2D fermionic system with d + i d -wave symmetry of pairing amplitude. Under the mean-field...
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Bifurcations in Ratra–Peebles quintessence models and their extensions
We have used the dynamical system approach in order to investigate the dynamics of cosmological models of the flat Universe with a non-minimally...
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Photonic Integrated Chaotic Lasers
At present, chaotic laser generation systems are mostly built by semiconductor lasers combined with a variety of external discrete optical elements....
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Power losses caused by longitudinal HOMs in 1.3-GHz cryomodule of SHINE
Shanghai high-repetition-rate XFEL and extreme light facility (SHINE), the first hard XFEL based on a superconducting accelerated structure in China,...
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Nonlinear Instability of Inhomogeneous Steady States Solutions to the HMF Model
In this work we prove the nonlinear instability of inhomogeneous steady states solutions to the Hamiltonian mean field (HMF) model. We first study...
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Quasi-Periodic Pulsations in Solar and Stellar Flares: A Review of Underpinning Physical Mechanisms and Their Predicted Observational Signatures
The phenomenon of quasi-periodic pulsations (QPPs) in solar and stellar flares has been known for over 50 years and significant progress has been...
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Multiwave solutions of time-fractional (2 + 1)-dimensional Nizhnik–Novikov–Veselov equations
In this paper, we present a generalized unified method for finding multiwave solutions of the time-fractional (2+1)-dimensional...
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Dynamical analysis and multistability in autonomous hyperchaotic oscillator with experimental verification
In this contribution, a modified oscillator of Tamasevicius et al. (Electron Lett 33:542–544,
1997 ) (referred to as the mTCMNL oscillator hereafter)...
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From Planck’s Hypothesis to Bohr’s Atom
We give a brief sketch of the development of ideas in Physics at the beginning of the twentieth century based on the “quantum postulate”. We describe...
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Soliton and quasi-periodic wave solutions for b-type Kadomtsev–Petviashvili equation
In this paper, truncated Laurent expansion is used to obtain the bilinear equation of a nonlinear evolution equation. As an application of Hirota’s...
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Binaries with Partial Accretion Discs
The intermediate polars have white dwarf primary stars with magnetic moments strong enough to disrupt the inner region of their accretion discs....
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Black Hole Perturbations: A Review of Recent Analytical Results
We review the gravitational self-force program to analytically compute first-order metric perturbations in a Schwarzschild black hole spacetime in...
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Rational integrability of trigonometric polynomial potentials on the flat torus
We consider a lattice ℒ ⊂ ℝ n and a trigonometric potential V with frequencies k ∈ ℒ. We then prove a strong rational integrability condition on V ,...
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Multiperiodic Solution of a Boundary-Value Problem for one Class of Parabolic Equations with Multidimensional Time
We study the existence and uniqueness of the multiperiodic solution of the first boundary-value problem for a system of parabolic equations with...
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Problem Without Initial Conditions for a Countable System of Semilinear Hyperbolic Equations of the First Order
We derive sufficient conditions for the solvability of the problem without initial conditions for a countable hyperbolic system of semilinear...