Search Results
38538 articles found
ARTICLE
|
doi:10.20944/preprints202208.0231.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
Phyllotactic spiral-ring pattern; Galactic spiral equations; Simulation; Fibonacci sibling sequence
Online: 12 August 2022 (08:49:00 CEST)
ARTICLE
|
doi:10.20944/preprints202205.0207.v1
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
prime numbers; galactic spiral equations; ROTASE model; phyllotaxis; sunflower seed head
Online: 16 May 2022 (11:04:46 CEST)
ARTICLE
|
doi:10.20944/preprints202312.2321.v2
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
Galactic spiral; Prime spiral; ROTASE model; X-matter
Online: 4 January 2024 (07:24:36 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/preprints202009.0215.v8
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
time; clocks; quantum mechanics; relativity theory; conjugate variables; space-time linearity; energy; quantum gravity; neutrinos
Online: 16 July 2024 (07:04:38 CEST)
ARTICLE
|
doi:10.20944/preprints202405.0206.v1
Subject:
Physical Sciences,
Optics And Photonics
Keywords:
orbital angular momentum; vortex beams; singular optics; spectral anomalies; Gouy effect; spiral gratings; chirped gratings; spatial light modulator; angular velocity; self-torque
Online: 6 May 2024 (07:35:56 CEST)
ARTICLE
|
doi:10.20944/preprints201808.0544.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
accelerated frames; galactic rotation curve; dark matter
Online: 31 August 2018 (10:00:39 CEST)
ARTICLE
|
doi:10.20944/preprints202407.0413.v1
Subject:
Computer Science And Mathematics,
Data Structures, Algorithms And Complexity
Keywords:
Linear Hashing; Spiral Hashing; Key-value Store; Data Structures
Online: 4 July 2024 (09:44:28 CEST)
ARTICLE
|
doi:10.20944/preprints202303.0535.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
evidence-based cosmology; rotating superfluid space; galactic rotation curves
Online: 31 March 2023 (03:07:15 CEST)
ARTICLE
|
doi:10.20944/preprints202107.0540.v1
Subject:
Biology And Life Sciences,
Anatomy And Physiology
Keywords:
polymeric spiral-wound membrane; microfiltration; transmembrane pressure; diafiltration; micellar casein concentrate
Online: 23 July 2021 (11:05:17 CEST)
REVIEW
|
doi:10.20944/preprints202112.0208.v1
Subject:
Medicine And Pharmacology,
Other
Keywords:
Spiral steroids; Ionotropin; digoxin-like materials; NaK-ATPase; potassium sparing diuretics
Online: 13 December 2021 (13:35:50 CET)
ARTICLE
|
doi:10.20944/preprints201912.0370.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
spacetime symmetry; Relativity of space-time; Lorentz Symmetry Group; retardation; Galactic Rotation Curves
Online: 29 December 2019 (04:57:08 CET)
ARTICLE
|
doi:10.20944/preprints201607.0023.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
galaxies: jets---Galaxy: center---techniques: high angular resolution---techniques: image processing---techniques: interferometric
Online: 12 July 2016 (09:41:39 CEST)
ARTICLE
|
doi:10.20944/preprints202301.0307.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
Archimedes Spiral; Voronoi tessellation; Voronoi entropy; surface patterns; aesthetic attraction; phyllotaxis; golden ratio
Online: 17 January 2023 (10:07:18 CET)
CONCEPT PAPER
|
doi:10.20944/preprints202212.0541.v1
Subject:
Medicine And Pharmacology,
Pulmonary And Respiratory Medicine
Keywords:
Ionotropin; Kaleotropin; Galotropin; Pre-eclampsia; Spiral Steroids; Necrotizing Enterocolitis; Cardiotonic glycosides; lactone; digoxin-like materials; DLM
Online: 28 December 2022 (12:24:39 CET)
ARTICLE
Subject:
Physical Sciences,
Acoustics
Keywords:
Flat space cosmology; dark matter; visible matter; galactic radii; galactic angular velocity; cosmic angular velocity
Online: 8 February 2021 (10:19:27 CET)
ARTICLE
|
doi:10.20944/preprints202310.0353.v1
Subject:
Computer Science And Mathematics,
Computer Science
Keywords:
image encryption; Chebyshev map; spiral transformation; security analysis
Online: 6 October 2023 (15:27:21 CEST)
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/preprints202201.0203.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
Dark matter; no dark matter; halo-curves; gravity-forces; galactic core; third Kepler-law; centripetal force; stellar halo- velocity
Online: 14 January 2022 (11:20:04 CET)
ARTICLE
Online: 25 May 2021 (11:16:16 CEST)
ARTICLE
|
doi:10.20944/preprints201806.0279.v2
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
galaxy morphology, machine learning; data analysis; object classification
Online: 22 October 2018 (13:01:42 CEST)
ARTICLE
|
doi:10.20944/preprints202208.0173.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
Dark matter; Weak interaction; Super gravity of baryonic matter; flat rotation speed; Hubble mass; Hubble radius
Online: 9 August 2022 (04:58:06 CEST)
ARTICLE
|
doi:10.20944/preprints202008.0274.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
galaxies: modified gravity; dark matter; halos; flat rotation curves
Online: 12 August 2020 (08:05:22 CEST)
ARTICLE
|
doi:10.20944/preprints202304.0272.v1
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
spiral source; underwater acoustics; bearing angle estimate; spiral source calibration; underwater localization
Online: 12 April 2023 (11:49:37 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/preprints202405.1455.v1
Subject:
Engineering,
Mechanical Engineering
Keywords:
Pocket Milling; Roughing; Curvilinear Toolpath; Hermite Quartic Spline; Smoothing
Online: 22 May 2024 (14:34:59 CEST)
ARTICLE
|
doi:10.20944/preprints202409.0991.v1
Subject:
Computer Science And Mathematics,
Mathematics
Keywords:
regularized ψ -Hilfer fractional derivative; existence; fixed point; Ulam-Hyers-Rassias stability; semi-Ulam-Hyers-Rassias stability
Online: 12 September 2024 (11:35:54 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/preprints202409.1643.v1
Subject:
Physical Sciences,
Nuclear And High Energy Physics
Keywords:
4G model of final unification; electroweak fermion; weak interactions; strong interactions; nuclear structure; super symmetry; string theory; detection of galactic TeV radiation
Online: 21 September 2024 (00:57:27 CEST)
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/preprints202307.1276.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
galaxies; blazars; multi-messenger studies; generally
Online: 19 July 2023 (04:15:17 CEST)
ARTICLE
|
doi:10.20944/preprints202104.0437.v1
Subject:
Physical Sciences,
Acoustics
Keywords:
Galaxies; anomalies; dark matter; colliding galaxies
Online: 16 April 2021 (11:05:15 CEST)
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/preprints202304.0490.v1
Online: 18 April 2023 (05:13:26 CEST)
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)
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/preprints202408.2187.v1
Subject:
Computer Science And Mathematics,
Applied Mathematics
Keywords:
third-order; semi canonical; functional difference equation; oscillation
Online: 29 August 2024 (15:20:43 CEST)
ARTICLE
|
doi:10.20944/preprints202109.0323.v6
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
Relativistic Jets; Conformal Space-time Background.
Online: 12 January 2023 (13:50:25 CET)
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/preprints202409.0890.v1
Subject:
Computer Science And Mathematics,
Artificial Intelligence And Machine Learning
Keywords:
fundamental period; masonry infilled framed structures; machine learning; explainability; SHAP; analytical equations
Online: 11 September 2024 (16:23:56 CEST)
ARTICLE
|
doi:10.20944/preprints202102.0097.v1
Online: 2 February 2021 (19:11:18 CET)
ARTICLE
|
doi:10.20944/preprints201909.0269.v1
Subject:
Medicine And Pharmacology,
Obstetrics And Gynaecology
Keywords:
assisted reproductive technologies; In-Vitro Fertilization; Delphi; geneticization; Preimplantation Genetic Diagnosis; diffusion of innovation
Online: 24 September 2019 (05:32:19 CEST)
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/preprints202311.0134.v2
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
spiral arms; spiral pattern evolution; rigid spiral arms; soft spiral arms; spiral galaxies
Online: 3 July 2024 (07:34:16 CEST)
ARTICLE
|
doi:10.20944/preprints201910.0375.v3
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
Unified Electro-Gravity (UEG) Theory; Spiral Galaxy; Galaxy Cluster; Dark Matter; Modified Newtonian Dynamics (MOND)
Online: 20 July 2023 (10:50:24 CEST)
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/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/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/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)
REVIEW
|
doi:10.20944/preprints202407.1511.v1
Subject:
Physical Sciences,
Applied Physics
Keywords:
Cell sorting; Inertial Microfluidics; Particle manipulation; Lab-on-Chip
Online: 19 July 2024 (02:51:50 CEST)
ARTICLE
|
doi:10.20944/preprints202304.0634.v1
Subject:
Engineering,
Energy And Fuel Technology
Keywords:
Advanced manufacture; Energy security; Heat exchange; Cleaan energy
Online: 20 April 2023 (08:40:32 CEST)
ARTICLE
|
doi:10.20944/preprints202304.0721.v1
Subject:
Engineering,
Mechanical Engineering
Keywords:
Soft Robotics; Soft Pneumatic Actuators; Spiral Structural; Finite Element Analysis
Online: 21 April 2023 (10:43:13 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)
REVIEW
|
doi:10.20944/preprints202312.1070.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
γ -ray astrophysics; Active galactic nuclei; very-high-energy gamma rays; non-thermal; high energy astrophysics
Online: 14 December 2023 (08:32:44 CET)
ARTICLE
|
doi:10.20944/preprints202309.0798.v1
Subject:
Physical Sciences,
Theoretical Physics
Keywords:
wide binary stars; Newtonian theory of orbit perturbation; observation; orbit in a galaxy; three-body problem
Online: 13 September 2023 (03:30:07 CEST)
ARTICLE
|
doi:10.20944/preprints202210.0068.v1
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
Wireless Power Transmission (WPT); Rectangular Spiral; Magnetic Analysis; ANSYS Maxwel; Magnetic Shielding
Online: 6 October 2022 (14:52:31 CEST)
ARTICLE
|
doi:10.20944/preprints202004.0408.v1
Subject:
Physical Sciences,
Optics And Photonics
Keywords:
metasurface; localized surface plasmon resonance; thin-film sensor; terahertz.
Online: 23 April 2020 (10:01:15 CEST)
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/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/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)
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/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)
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/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/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)
REVIEW
|
doi:10.20944/preprints202406.1150.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
X-ray polarization; high-energy processes; black holes
Online: 17 June 2024 (14:45:19 CEST)
REVIEW
|
doi:10.20944/preprints201811.0195.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
Cosmic Rays; Massive Star Supernovae; Cosmic Ray Knee and Ankle.
Online: 8 November 2018 (09:53:33 CET)
ARTICLE
|
doi:10.20944/preprints202306.0201.v2
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
Spiral arms; Spiral galaxies; X-matter; Black holes; Galaxy evolution; Spirals by rockets
Online: 30 June 2023 (11:38:13 CEST)
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 unication; dark matter-energy; mass geometrisation; complex space-time; symplectic space-time; extended space-time
Online: 19 September 2018 (08:21:48 CEST)
ARTICLE
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
Planck mass; Mach’s principle; distance cosmic mass; galactic visible mass; galactic dark mass; galactic flat rotation speeds; time dependent reference mass;
Online: 9 August 2021 (09:16:42 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/preprints202409.0209.v1
Online: 3 September 2024 (07:25:27 CEST)
ARTICLE
|
doi:10.20944/preprints202308.0288.v1
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
antennas measurements; non-redundant sampling representations; planar spiral scanning; near-to-far-field transformations
Online: 3 August 2023 (08:28:06 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/preprints201908.0079.v1
Subject:
Physical Sciences,
Applied Physics
Keywords:
self organizing maps; fuzzy rules; emergency planning and management; group decision support; autonomous robot control; smart-environments
Online: 6 August 2019 (12:53:49 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)