ARTICLE
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doi:10.20944/preprints202303.0420.v7
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Brocard's problem; Brocard-Ramanujan equation x!+1=y^2; composite Fermat numbers; composite numbers of the form 2^(2^n)+1; Erd\"os' equation x(x+1)=y!
Online: 18 May 2023 (08:25:27 CEST)
ARTICLE
|
doi:10.20944/preprints201811.0301.v8
Subject:
Computer Science And Mathematics,
Logic
Keywords:
Brocard's problem; Brocard-Ramanujan equation $x!+1=y^2$; composite Fermat numbers; Erd\"os' equation $x(x+1)=y!$; prime numbers of the form $n^2+1$; prime numbers of the form $n!+1$; Sophie Germain primes; twin primes
Online: 5 June 2019 (08:37:55 CEST)
HYPOTHESIS
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doi:10.20944/preprints202102.0233.v1
Subject:
Social Sciences,
Psychology
Keywords:
Mind-body problem; Mind-body coupling phenomenon; Entropic system; Entropic system equation; Law of entropic system; Self-organized criticality (SOC); Self-organized critical triggering factor (SOCTF); Conscious strength; Macrostates of consciousness; Self-organization of minds.
Online: 10 February 2021 (12:45:03 CET)
ARTICLE
|
doi:10.20944/preprints202307.1834.v2
Subject:
Computer Science And Mathematics,
Algebra And Number Theory
Keywords:
Jacobian Conjecture, 3-fold linear type map, General 3-fold linear type map, Homogeneous type map, Jacobian condition, Coordinate transformation, Equivalent algebraic equations, Invariance of the Jacobian condition, General chain expression, Inverse polynomial map, Injective problem
Online: 1 August 2023 (09:46:21 CEST)
ARTICLE
|
doi:10.20944/preprints202201.0362.v1
Subject:
Engineering,
Mechanical Engineering
Keywords:
astronautics; astrodynamics; terminal astroballistics; the main planetary defense problem; hydrocode; warheads; impulsive dynamic interactions on the asteroids; modeling and simulation; sensors; network-centric system architecture; space missions; navigation; planetary defense modeling; synchronization; atomic and pulsar time; autonomy; space; relativistic metrology
Online: 24 January 2022 (14:44:37 CET)
ARTICLE
|
doi:10.20944/preprints202007.0011.v1
Subject:
Physical Sciences,
Quantum Science And Technology
Keywords:
quantum mechanics; algebraic geometry; algebraic number theory; commutative algebra; Gr¨onber basis; primary ideal decomposition, eigenvalue problem in quantum mechanics; molecular orbital theory; quantum chemistry; quantum chemistry in algebraic variety; symbolic computation; algebraic molecular orbital theory; Galois theory; class field theory
Online: 3 July 2020 (04:54:16 CEST)
ARTICLE
|
doi:10.20944/preprints202401.1269.v1
Subject:
Computer Science And Mathematics,
Discrete Mathematics And Combinatorics
Keywords:
Geometry; Graph Theory; Four Color Map Theorem; K5 Non-Planarity; Kissing Number Problem; Planar Graphs; Visual Representation; Contradiction Proofs; Coloring; Mathematical Connections
Online: 17 January 2024 (04:25:38 CET)
ARTICLE
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
quantum mechanics; algebraic geometry; commutative algebra; Grönber basis; primary ideal decomposition; eigenvalue problem in quantum mechanics; molecular orbital theory; quantum chemistry; first principles electronic structure calculation; symbolic computation; symbolic-numeric solving; Hartree-Fock theory; molecular integral; Taylor series; polynomial approximation; algebraic molecular orbital equation
Online: 26 December 2019 (02:17:44 CET)
ARTICLE
|
doi:10.20944/preprints201709.0127.v2
Subject:
Computer Science And Mathematics,
Logic
Keywords:
Davis-Putnan Robinson-Matiyasevich theorem; Diophantine equation which has at most finitely many solutions in non-negative integers; Diophantine equation which has at most finitely many solutions in positive integers; Diophantine equation which has at most finitely many integer solutions; Hilbert’s Tenth Problem; Matiyasevich’s theorem; recursively enumerable set; Smoryński’s theorem
Online: 27 September 2017 (04:05:45 CEST)
ARTICLE
|
doi:10.20944/preprints201807.0120.v1
Subject:
Engineering,
Electrical And Electronic Engineering
Keywords:
SAR system; efficient focusing of SAR data; Inverse problem; radar theory; remote sensing; SAR data focusing; phase shifts; satellite trajectory; spatial resolution; synthetic aperture radar; Geometry; Satellites; Ancillary Data; Singular Value Decomposition; Blind deconvolution; Signal Processing; Parameter estimation; Algorithm; Imaging; Phase estimation; Phase compensation; Computational modeling; Image resolution; Synthetic Aperture
Online: 6 July 2018 (15:29:21 CEST)
HYPOTHESIS
|
doi:10.20944/preprints202406.0674.v6
Subject:
Physical Sciences,
Theoretical Physics
Keywords:
Hyper-Torus Universe Model (HTUM); 4-dimensional toroidal structure (4DTS); quantum mechanics; cosmology; consciousness; quantum gravity; unified field theory; quantum cosmology; theoretical physics; topology; manifold theory; cyclic universe; wave function collapse; quantum entanglement; event horizon; holographic principle; quantum measurement; dark energy; dark matter; Topological Vacuum Energy Modulator (TVEM); cosmological constant problem; Lambda-CDM model; multiverse; string theory; loop quantum gravity; emergent spacetime; quantum foundations; philosophy of physics; cosmic microwave background (CMB); CMB power spectrum; acoustic peaks; large-scale structure; angular power spectrum; cosmic topology; nonlinear probabilistic phenomena; universal self-observation; mind-matter relationship; quantum state actualization
Online: 24 July 2024 (02:20:04 CEST)