Search Results
36971 articles found
ARTICLE
|
doi:10.20944/preprints202111.0002.v1
Subject:
Chemistry And Materials Science,
Materials Science And Technology
Keywords:
monochalcogenides; germanium sulfide; photoluminescence; reflectance contrast; excitons; Raman scattering; Density Fuctional Theory; phonons
Online: 1 November 2021 (10:18:02 CET)
ARTICLE
Subject:
Computer Science And Mathematics,
Geometry And Topology
Keywords:
space with affine connection; Riemannian space; Ricci-m-symmetric space; conformal mapping; geodesic mapping
Online: 24 June 2019 (08:51:49 CEST)
ARTICLE
|
doi:10.20944/preprints202311.0372.v1
Subject:
Physical Sciences,
Theoretical Physics
Keywords:
Geodesic structure; Euler-Lagrange equation; K-essence geometry; Vaidya spacetime
Online: 6 November 2023 (16:32:50 CET)
ARTICLE
|
doi:10.20944/preprints201910.0301.v1
Subject:
Computer Science And Mathematics,
Geometry And Topology
Keywords:
E-convex sets; preinvex; E-convex functions; geodesic; sub-preinvex; Riemannian manifolds; Hadamard manifolds.
Online: 27 October 2019 (10:41:01 CET)
ARTICLE
|
doi:10.20944/preprints202309.0529.v1
Subject:
Physical Sciences,
Theoretical Physics
Keywords:
topological defects; cosmic strings; iterated functions; logistic map
Online: 7 September 2023 (11:21:24 CEST)
ARTICLE
|
doi:10.20944/preprints202003.0281.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
Browder's type iteration; CAT(1) space; fixed point; Halpern's type iteration; Moudafi's viscosity type method; nonexpansive mapping
Online: 17 March 2020 (16:15:34 CET)
ARTICLE
|
doi:10.20944/preprints202408.0130.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
Korteweg-de Vries Sawada-Kotera-Ramani (KdVSKR) equation; extended Korteweg-deVries (KdV) equation; Sawada-Kotera (SK) equation; finite symmetry groups; Lie symmetry; exact solutions; consistent Riccati expansion (CRE); Hirota bilinear method; fractional derivatives
Online: 2 August 2024 (06:04:29 CEST)
ARTICLE
|
doi:10.20944/preprints202404.1884.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
Partial Differential Equations; Machine learning; Neural Networks; Computational Modeling; Feature Identification
Online: 29 April 2024 (10:25:10 CEST)
ARTICLE
|
doi:10.20944/preprints202402.1320.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
Commutative quaternion algebra; Matrix equations; Hermitian matrix; Complex representation
Online: 22 February 2024 (15:08:30 CET)
ARTICLE
|
doi:10.20944/preprints201608.0231.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
numerical solution; Bagley-Torvik fractional differential equations; local polynomial smoother
Online: 30 August 2016 (12:29:12 CEST)
ARTICLE
|
doi:10.20944/preprints201703.0067.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
blow-up; semilinear pseudo-parabolic equations; critical initial energy; conical degeneration
Online: 13 March 2017 (09:56:13 CET)
ARTICLE
|
doi:10.20944/preprints202403.0099.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
multiplication and addition equations; division equations; subtraction equations;
physical concepts
physical concepts
Online: 4 March 2024 (10:36:26 CET)
ARTICLE
|
doi:10.20944/preprints202404.1413.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
Fractional neutral integro-differential equations; Resolvent family; Probability density function; Mild solutions
Online: 23 April 2024 (03:16:56 CEST)
REVIEW
|
doi:10.20944/preprints202311.1049.v1
Subject:
Chemistry And Materials Science,
Materials Science And Technology
Keywords:
powders; pressure; density; die-compaction equation; approximation.
Online: 16 November 2023 (11:20:19 CET)
ARTICLE
|
doi:10.20944/preprints201808.0376.v1
Subject:
Physical Sciences,
Fluids And Plasmas Physics
Keywords:
continuity equation, Navier-Stokes equation, Bernoulli equation, existence and smoothens of the solutions of Navier-Stokes equation
Online: 21 August 2018 (10:12:40 CEST)
ARTICLE
|
doi:10.20944/preprints202002.0245.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
limit values; modular relation; Lerch zeta-function; Hurwitz zetafunction; Laurent coefficients
Online: 17 February 2020 (15:10:08 CET)
ARTICLE
|
doi:10.20944/preprints202111.0015.v2
Subject:
Physical Sciences,
Particle And Field Physics
Keywords:
electrodynamics; plane electromagnetic wave; spherical electromagnetic wave; group of transformations; Aharonov-Bohm effect; equation of motion; alternator; impulse current generator
Online: 13 December 2021 (16:27:24 CET)
ARTICLE
|
doi:10.20944/preprints202305.1762.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
Fractional Volterra integro-differential equation; Laplace fractional power series; Caputo fractional derivative, Laplace transform.
Online: 25 May 2023 (08:06:04 CEST)
ARTICLE
|
doi:10.20944/preprints201610.0043.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
viewpoint; ordinary differential equation; solution; derivative polynomial; identity; Stirling numbers; Bernoulli number; Bernoulli polynomial; Frobenius-Euler polynomial
Online: 12 October 2016 (11:47:48 CEST)
ARTICLE
|
doi:10.20944/preprints202306.0749.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
fixed point; fuzzy metric spaces; (J,S)-fuzzy iterative mappings; fractional differential equations
Online: 12 June 2023 (03:49:24 CEST)
ARTICLE
|
doi:10.20944/preprints201808.0341.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
continuity equation; Maxwell equations: massive electrodynamics; London's superconductivity; proca-Maxwell equations; duality transformations
Online: 19 August 2018 (05:03:06 CEST)
ARTICLE
|
doi:10.20944/preprints201703.0044.v1
Subject:
Engineering,
Mechanical Engineering
Keywords:
advanced high strength steel; yield function; hardening model; springback; deformation mode
Online: 8 March 2017 (04:51:37 CET)
ARTICLE
|
doi:10.20944/preprints202407.0920.v1
Subject:
Physical Sciences,
Thermodynamics
Keywords:
Master equation; order; disorder; Entropy; Disequilibrium
Online: 11 July 2024 (04:52:33 CEST)
ARTICLE
|
doi:10.20944/preprints202309.1831.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
Phase Shift, Phase Angle, Time Distortion, Wave Energy Loss, Wave Phenomena
Online: 27 September 2023 (05:00:38 CEST)
ARTICLE
|
doi:10.20944/preprints202108.0543.v1
Subject:
Physical Sciences,
Particle And Field Physics
Keywords:
Dirac equation; Maxwell's equation; Proca theory
Online: 30 August 2021 (12:17:30 CEST)
ARTICLE
|
doi:10.20944/preprints201607.0063.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
Impulsive conditions, Controllability, Neutral evolution integrodierential equa- tions, Resolvent operators, State dependent delay
Online: 21 July 2016 (03:48:42 CEST)
ARTICLE
|
doi:10.20944/preprints201611.0012.v1
Subject:
Engineering,
Industrial And Manufacturing Engineering
Keywords:
CFD; SPH; population balance; NVidia CUDA; OpenMP
Online: 2 November 2016 (05:31:48 CET)
COMMUNICATION
|
doi:10.20944/preprints202407.0103.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Cauchy-Riemann equations; treonic number; treons; algebra B; Bermejo's algebra
Online: 1 July 2024 (13:26:58 CEST)
ARTICLE
|
doi:10.20944/preprints202011.0712.v1
Online: 30 November 2020 (09:22:15 CET)
ARTICLE
|
doi:10.20944/preprints202002.0412.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
Galactic dynamics; Spiral structure; Bared spiral structure; Density wave; Gravitational retarded potential
Online: 27 February 2020 (16:10:59 CET)
ARTICLE
|
doi:10.20944/preprints202405.0051.v1
Subject:
Computer Science And Mathematics,
Artificial Intelligence And Machine Learning
Keywords:
metaheuristic optimization; Jaya algorithm; Jaya variants; Rao algorithms; BWP algorithm; MaGI algorithm; parallel GPU algorithms; nonlinear equation systems
Online: 1 May 2024 (09:47:15 CEST)
ARTICLE
|
doi:10.20944/preprints202407.2182.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
Fuzzy dynamic equation; time scale; Adomian decomposition method
Online: 26 July 2024 (16:58:50 CEST)
ARTICLE
|
doi:10.20944/preprints201611.0146.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
explicit form; inhomogeneous linear ordinary differential equation; derivative; Lerch transcendent; absolute monotonicity; complete monotonicity; Bernstein function; inequality; diagonal recurrence relation; Stirling numbers of the first kind; logarithmic function
Online: 29 November 2016 (08:00:53 CET)
ARTICLE
|
doi:10.20944/preprints202311.1182.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
differential equation; Cauchy problem; fixed point; history-dependent operator; convergence criterion; viscoelastic constitutive law
Online: 21 November 2023 (10:37:08 CET)
ARTICLE
|
doi:10.20944/preprints201809.0278.v2
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
electromagnetism; topology; charge-conservation; constitutive relations; gauge freedom
Online: 11 March 2019 (10:36:30 CET)
ARTICLE
|
doi:10.20944/preprints201701.0110.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
systems of nonlinear equations; nonlinear preconditioners; multi-step iterative methods; Frozen Jacobian
Online: 25 January 2017 (04:13:19 CET)
ARTICLE
|
doi:10.20944/preprints201809.0369.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
general relativity; geometric uni cation; dark matter-energy; mass geometrisation; complex space-time; symplectic space-time; extended space-time
Online: 19 September 2018 (08:21:48 CEST)
ARTICLE
|
doi:10.20944/preprints202403.1718.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
algebraic methods,quintic problem,Diophantine equation ,prime number
Online: 28 March 2024 (09:35:31 CET)
ARTICLE
|
doi:10.20944/preprints202308.1021.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
integrable equations; Lax pairs; symmetry; Hamiltonian structure; zero curvature equations
Online: 15 August 2023 (03:38:06 CEST)
ARTICLE
|
doi:10.20944/preprints201711.0022.v8
Subject:
Physical Sciences,
Theoretical Physics
Keywords:
Maxwell’ s Equations, Electromagnetism, General Relativity, Gravity, Antimatter
Online: 12 January 2024 (09:54:40 CET)
ARTICLE
|
doi:10.20944/preprints201910.0347.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
difference equations; equilibrium points; stability; periodicity; invariant
Online: 30 October 2019 (04:29:09 CET)
ARTICLE
|
doi:10.20944/preprints201904.0119.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
cosmology theory; cosmological parameters; galaxies; distances and redshifts; variable physical constants; VSL
Online: 10 April 2019 (08:25:53 CEST)
ARTICLE
|
doi:10.20944/preprints201810.0504.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
generalized Hyers-Ulam stability; functional equation; $n$-dimensional quartic-cubic-quadratic-additive type functional equation; direct method
Online: 22 October 2018 (14:29:00 CEST)
ARTICLE
|
doi:10.20944/preprints202403.0106.v1
Subject:
Physical Sciences,
Other
Keywords:
Relativistic Positioning Systems; pseudorange navigation equations; Bancroft’ s closed-form solution
Online: 4 March 2024 (06:00:42 CET)
ARTICLE
|
doi:10.20944/preprints202311.0272.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
discrete almost automorphic; discrete bi-almost automorphic; fixed point; contraction; Bohr-Neugebauer
Online: 6 November 2023 (03:08:22 CET)
ARTICLE
|
doi:10.20944/preprints202310.0377.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
Maxwell equations; Lienard-Wiechert fields; Galilean invariance; Galilean transformation; Lorentz transformation
Online: 9 October 2023 (02:56:28 CEST)
ARTICLE
|
doi:10.20944/preprints202307.0252.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Ramanujan's theta function; Modular equation; $q$-Shifted factorial
Online: 5 July 2023 (03:39:26 CEST)
ARTICLE
|
doi:10.20944/preprints202010.0320.v9
Subject:
Physical Sciences,
Quantum Science And Technology
Keywords:
Conformal Spacetime; Brane-World Modified Gravity; Quantum Field Theory
Online: 12 January 2023 (02:02:53 CET)
ARTICLE
|
doi:10.20944/preprints202111.0063.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
Fractional derivatives; Caputo fractional derivative; the Caputo-Fabrizio fractional derivative; Laplace transform
Online: 3 November 2021 (08:29:12 CET)
ARTICLE
|
doi:10.20944/preprints202011.0201.v2
Subject:
Physical Sciences,
Acoustics
Keywords:
Maxwell Equations; Dielectric; Diffusion; Conservation of Current
Online: 9 December 2020 (18:27:11 CET)
ARTICLE
|
doi:10.20944/preprints201907.0038.v1
Subject:
Physical Sciences,
Fluids And Plasmas Physics
Keywords:
turbulence; the Reynolds stress tensor; turbulence closure problem
Online: 2 July 2019 (09:53:19 CEST)
ARTICLE
|
doi:10.20944/preprints201807.0025.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
fractional differential equations; conformable derivative; Bernoulli equation; exact solution
Online: 3 July 2018 (06:04:53 CEST)
ARTICLE
|
doi:10.20944/preprints202012.0579.v1
Subject:
Physical Sciences,
Acoustics
Keywords:
Korteweg-de Vries-Burgers equation; cylindrical and spherical waves; saw-tooth solutions; periodic boundary conditions; head shock wave
Online: 23 December 2020 (09:44:50 CET)
ARTICLE
|
doi:10.20944/preprints202008.0675.v1
Subject:
Environmental And Earth Sciences,
Geophysics And Geology
Keywords:
wave impact assessment; characteristic wave height; Salento peninsula; Taranto Gulf; Mediterranean Sea; November 2019 storm
Online: 30 August 2020 (15:53:07 CEST)
ARTICLE
|
doi:10.20944/preprints202005.0181.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
Reinforcement learning; Cartpole; Q Learning; Mathematical Modeling
Online: 10 May 2020 (18:02:43 CEST)
ARTICLE
|
doi:10.20944/preprints202407.2340.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
reaction-diffusion equations; multivalued interaction functions; machine learning; physics-informed neural networks; approximate solutions
Online: 30 July 2024 (00:20:43 CEST)
ARTICLE
|
doi:10.20944/preprints202405.1626.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
Liénard equation; Poincaré disc; phase portraits
Online: 24 May 2024 (09:42:01 CEST)
COMMUNICATION
|
doi:10.20944/preprints202402.1215.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
Exact Renormalisation Group; Quantum Mechanics; Schrö dinger-Type Equation; Wilsonian Renormalisation Group; Quantum Field Theory; Functional Quantum Mechanics; Inflation; Scalar Field
Online: 21 February 2024 (15:02:25 CET)
ARTICLE
|
doi:10.20944/preprints202109.0269.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
Involution; linear differential equation; fixed point; boundary value problem
Online: 15 September 2021 (15:19:50 CEST)
ARTICLE
|
doi:10.20944/preprints202010.0076.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
data-driven modeling; stochastic Burgers equation; closure model; CFL number
Online: 5 October 2020 (11:46:15 CEST)
ARTICLE
|
doi:10.20944/preprints201811.0484.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
Lyapunov equation; HSS iterative method; PHSS iterative method
Online: 20 November 2018 (06:51:55 CET)
ARTICLE
|
doi:10.20944/preprints201811.0151.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
time-dependent order of differentiation; fractional calculus; fractional derivative; differential equations; complex systems; Volterra integral equation; VODE; DODE; dynamical evolution
Online: 7 November 2018 (09:15:19 CET)
ARTICLE
|
doi:10.20944/preprints201703.0192.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
nonlinear ordinary differential equation; Stirling number of the first kind; simplifying; technique; combinatorial analysis
Online: 24 March 2017 (18:30:21 CET)
ARTICLE
|
doi:10.20944/preprints202408.0897.v1
Subject:
Physical Sciences,
Optics And Photonics
Keywords:
Maxwell equations; Doppler effect; Doppler radar; Electromagnetic propagation; Wave functions; Sagnac effect
Online: 13 August 2024 (08:46:55 CEST)
ARTICLE
|
doi:10.20944/preprints202404.0653.v1
Subject:
Physical Sciences,
Fluids And Plasmas Physics
Keywords:
Schrö dinger equation; potential estimation; Navier-Stokes problem; fluid dynamics; mathematical physics
Online: 9 April 2024 (11:57:25 CEST)
ARTICLE
|
doi:10.20944/preprints202309.0337.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
fractional derivative; approximation; numerical solution; convergence
Online: 6 September 2023 (05:53:13 CEST)
ARTICLE
|
doi:10.20944/preprints202308.2071.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
Riemann--Hilbert problem; polynomial Lax pair; integrable equations; soliton solutions
Online: 30 August 2023 (10:18:12 CEST)
ARTICLE
|
doi:10.20944/preprints202111.0139.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
viscous lake equations,Navier-Stokes equation, Existence and uniqueness, Semigroup of operators, Fractional powers.
Online: 8 November 2021 (13:10:30 CET)
ARTICLE
|
doi:10.20944/preprints202104.0597.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
integral equations; complex partial metric space; common fi xed point.
Online: 22 April 2021 (09:19:54 CEST)
ARTICLE
|
doi:10.20944/preprints202406.1509.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
Hamiltonian system; good Boussinesq equation; symplectic scheme; combined compact scheme; conservation
Online: 21 June 2024 (10:48:17 CEST)
ARTICLE
|
doi:10.20944/preprints202312.0939.v1
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
Spectral curve; Derivative NLS equation; Vector NLS equation; Gerdjikov-Ivanov equation; Multi-phase solution
Online: 13 December 2023 (11:00:38 CET)
ARTICLE
|
doi:10.20944/preprints202308.1067.v2
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
Homogenizatio; Smoluchowski equation; two-scale convergence; thin domains
Online: 6 September 2023 (14:27:47 CEST)
ARTICLE
|
doi:10.20944/preprints202306.1632.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
Nonlinear equations; conformable derivative; derivative free conformable methods; conformable method with memory; stability.
Online: 22 June 2023 (12:56:52 CEST)
ARTICLE
|
doi:10.20944/preprints202105.0242.v2
Subject:
Physical Sciences,
Acoustics
Keywords:
undamped oscillation; SRT; k-factor; Differential-equation of second order; Einstein-Lorentz; Amplitude-analogy; damped oscillation; developed SRT of fourth order,accelerated framed
Online: 1 June 2021 (09:43:38 CEST)
ARTICLE
|
doi:10.20944/preprints202004.0288.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
branch points; bifurcation points; Fredholm operator; uniformization; asymptotics; iterations; regularization
Online: 17 April 2020 (01:34:37 CEST)
ARTICLE
|
doi:10.20944/preprints202002.0176.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
hybrid fractional integrodifferential equation; hybrid fixed point theorems of Dhage; approximations solutions; Lipschitz conditions; weaker mixed partial continuity
Online: 14 February 2020 (02:12:02 CET)
ARTICLE
|
doi:10.20944/preprints201612.0118.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
time fractional KdV equation; time fractional Burgers equation; Kudryashov method; wave solution
Online: 23 December 2016 (10:55:45 CET)
ARTICLE
|
doi:10.20944/preprints202407.0090.v1
Subject:
Biology And Life Sciences,
Neuroscience And Neurology
Keywords:
Keywords: Psychosis, Bipolar Disorder and Obsessive Compulsive Disorder, Simulation with waves and differential equations
Online: 1 July 2024 (13:13:32 CEST)
ARTICLE
|
doi:10.20944/preprints202310.2042.v1
Subject:
Computer Science And Mathematics,
Analysis
Keywords:
NVIDE; stability; uniform stability; instability; LKF method
Online: 31 October 2023 (09:15:33 CET)
ARTICLE
|
doi:10.20944/preprints202305.1001.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
Generalized Legendre wavelet; operational matrix of integration; linear differential equations; product operation matrix; convergence analysis; accuracy
Online: 15 May 2023 (08:05:45 CEST)
ARTICLE
|
doi:10.20944/preprints202007.0171.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
energy cascade; modulational instability; Fourier power spectrum; Korteweg-de Vries equations
Online: 9 July 2020 (06:44:33 CEST)
ARTICLE
|
doi:10.20944/preprints202003.0447.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
energy cascade; modulational instability; Fourier power spectrum; Korteweg-de Vries equations
Online: 31 March 2020 (09:46:20 CEST)
ARTICLE
|
doi:10.20944/preprints201901.0063.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
Tzitzéica-Dodd–Bullough–Mikhailov equation; Tzitzéica-type equation; ansatz approach; traveling wave solution; periodic solutions
Online: 8 January 2019 (11:16:12 CET)
ARTICLE
|
doi:10.20944/preprints202401.0171.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
Differential equation; Impulses at variable times; Existence; Qualitative theory; Pulse phenomena
Online: 3 January 2024 (10:04:47 CET)
ARTICLE
|
doi:10.20944/preprints202312.2108.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
Regula False; Newton-Raphson; Bisection; Trisection; BTsection; Hybrid Algorithm
Online: 28 December 2023 (02:04:55 CET)
ARTICLE
|
doi:10.20944/preprints202103.0148.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Adomian decomposition method; variational iteration method; Volterra-Fredholm integro-differential equation; approximate solution.
Online: 4 March 2021 (09:20:22 CET)
ARTICLE
|
doi:10.20944/preprints201805.0109.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
reaction-diffusion equations; two dimensional Fisher Equation; Nagumo Equation; Kolmogorov-Petrovsky-Piskunov equation; traveling wave solution
Online: 7 May 2018 (08:35:54 CEST)
ARTICLE
|
doi:10.20944/preprints201803.0056.v1
Subject:
Physical Sciences,
Atomic And Molecular Physics
Keywords:
atomic structure; hartree fock; exchange; line broadening; scattering
Online: 8 March 2018 (02:10:55 CET)
ARTICLE
|
doi:10.20944/preprints201801.0018.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
reaction-diffusion equations; Newell-Whitehead-Segel equation; Zeldovich equation; exact solution; traveling wave solution
Online: 3 January 2018 (03:34:43 CET)
ARTICLE
|
doi:10.20944/preprints202405.1602.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
Bernoulli polynomials; shifted Chebyshev polynomials; Bernoulli collocation method (BCM); Improved Bernoulli collocation method (IBCM); Volterra integral equation s (VIEs)
Online: 24 May 2024 (08:38:41 CEST)
ARTICLE
|
doi:10.20944/preprints202311.0374.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
Partial differential equations; Legendre multiwavelets; Physics-informed neural net- work; Convolutional neural network
Online: 6 November 2023 (16:36:14 CET)
COMMUNICATION
|
doi:10.20944/preprints202308.1759.v1
Subject:
Physical Sciences,
Fluids And Plasmas Physics
Keywords:
“maxwell equations”; “navier-stokes equations”; “inviscid flow”; “compressible flow”; “fluid dynamics”; “electromagnetism”; “aharonov-bohm effect
Online: 25 August 2023 (05:02:42 CEST)
ARTICLE
|
doi:10.20944/preprints202305.1310.v1
Subject:
Computer Science And Mathematics,
Computational Mathematics
Keywords:
fourth-order parabolic equation; block-centered finite difference methods; stability; error estimates; numerical analysis
Online: 18 May 2023 (09:27:39 CEST)
ARTICLE
|
doi:10.20944/preprints202206.0221.v9
Subject:
Physical Sciences,
Particle And Field Physics
Keywords:
general relativity; cosmology; continuum mechanics; fluid dynamics; field theory; electrodynamics; Hamiltonian mechanics
Online: 29 November 2022 (03:59:30 CET)
ARTICLE
|
doi:10.20944/preprints202210.0277.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
Newton's celestial mechanics equations; $N$-body problem; Kepler problem; relative difference; origin invariance; integrals of motion; conservation of energy; conservation of angular momentum; inertia; Lagrange-Jacobi formula; total collapse.
Online: 19 October 2022 (10:06:06 CEST)
ARTICLE
|
doi:10.20944/preprints202109.0318.v1
Subject:
Physical Sciences,
Space Science
Keywords:
General relativity, Maximal force, Maximal power, Cosmological constant, Planck curvature
Online: 17 September 2021 (15:07:34 CEST)
ARTICLE
|
doi:10.20944/preprints202108.0486.v1
Subject:
Physical Sciences,
Quantum Science And Technology
Keywords:
Dirac equation; Klein-Gordon equation; Schrödinger equation; negative kinetic energy; Decoupled Klein-Gordon equation; negative kinetic energy Schrödinger equation
Online: 25 August 2021 (10:50:21 CEST)
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
debt; re-conversion; equations
Online: 31 March 2021 (12:05:53 CEST)
REVIEW
|
doi:10.20944/preprints202102.0160.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
artificial neural networks; discretization; machine learning; partial differential equations
Online: 5 February 2021 (11:36:31 CET)
ARTICLE
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
neural ordinary differential equations; machine learning; chemical kinetics
Online: 4 February 2021 (10:54:30 CET)