Results 11 to 20 of about 201,530,701 (335)

Qualitative Analysis of a Single-Species Model with Distributed Delay and Nonlinear Harvest

Mathematics, 2021
In this paper, a single-species population model with distributed delay and Michaelis-Menten type harvesting is established. Through an appropriate transformation, the mathematical model is converted into a two-dimensional system.
Zuxiong Li, Shengnan Fu, Huili Xiang, Hailing Wang   +3 more
doaj   +1 more source

VERITAS Detection of LS 5039 and HESS J1825-137 [PDF]

Astroparticle physics, 2020
This research is supported by grants from the U.S. Department of Energy Office of Science, the U.S. National Science Foundation and the Smithsonian Institution, and by NSERC in Canada. This research used resources provided by the Open Science Grid, which
V. C. A. U. Abeysekara, W. Benbow, R. Bird, R. Brose, J. Christiansen, A. Chromey, W. Cui, M. Daniel, A. Falcone, L. Fortson, D. Hanna, T. Hassan, O. Hervet, J. Holder, G. Hughes, T. Humensky, P. Kaaret, P. Kar, N. Kelley-Hoskins, M. Kertzman, D. Kieda, M. Krause, M. Lang, G. Maier, P. Moriarty, D. Nieto, M. Nievas-Rosillo, R. Ong, D. Pandel, M. Pohl, R. Prado, E. Pueschel, J. Quinn, K. Ragan, P. Reynolds, G. Richards, E. Roache, I. Sadeh, M. Santander, G. Sembroski, A. Weinstein, P. Wilcox, D. Williams, T. E. W. S. O. Physics, Astronomy, U. Utah, Salt lake City, ‖ut, Usa, C. F. A. HarvardSmithsonian, Cambridge, Ma, D. Physics, U. California, L. Angeles, Ca, I. O. Physics, University of Potsdam, 14476 Potsdam-Golm, Germany., Desy, 6. Platanenallee, 15738 Zeuthen, P. Department, California Polytechnic State University, S. Obispo, Iowa State University, Ames, Ía, Purdue University, W. Lafayette, IN 47907, Center for Computational Astrophysics, Tsinghua University, Beijing, China., D. O. Astronomy, Astrophysics, 525 Davey Lab, Pennsylvania State University, University Park, Pa, S. O. Physics, U. Minnesota, Minneapolis, Mn, M. University, Montréal, Canada., Santa Cruz Institute for Particle Physics, Santa Cruz, T. B. R. Institute, U. Delaware, Newark, De, Columbia University, N. York, Ný, U. Iowa, Van Allen Hall, Iowa City, D. University, Greencastle, In, National University of Ireland Galway, University Road, Galway., Ireland, Institute of Particle, Cosmos Physics, U. Madrid, Madrid, Spain, Grand Valley State University, Allendale, Mi, University College Dublin, Belfield, 4. Dublin, D. O. A. Sciences, Cork Institute of Technology, Bishopstown, Cork, U. Alabama, Tuscaloosa, Al.   +125 more
semanticscholar   +1 more source

The Theory of Finitely Supported Structures and Choice Forms [PDF]

Scientific Annals of Computer Science, 2018
The theory of finitely supported algebraic structures provides a first step in computing infinite algebraic structures that are finitely supported modulo certain atomic permutation actions.
A. Alexandru
doaj   +1 more source

Non-Equilibrium ϕ⁴ Theory in a Hierarchy: Towards Manipulating Holograms in Quantum Brain Dynamics

Dynamics, 2023
We describe non-equilibrium ϕ4 theory in a hierarchical manner to develop a method for manipulating coherent fields as a toy model of introducing control into Quantum Field Theory (QFT) of the brain, which is called Quantum Brain Dynamics (QBD). We begin
Akihiro Nishiyama, Shigenori Tanaka, Jack A. Tuszynski   +2 more
doaj   +1 more source

Excitonic Coupled-cluster Theory [PDF]

, 2017
A variant of coupled-cluster theory is described here, wherein the degrees of freedom are fluctuations of fragments between internally correlated states.
Yuhong Liu, Anthony D. Dutoi University of the Pacific, Stockton, Ca, Usa   +4 more
semanticscholar   +1 more source

Quantum-Like Sampling

Mathematics, 2021
Probability theory is built around Kolmogorov’s axioms. To each event, a numerical degree of belief between 0 and 1 is assigned, which provides a way of summarizing the uncertainty.
Andreas Wichert
doaj   +1 more source

Merging Discrete Morse Vector Fields: A Case of Stubborn Geometric Parallelization

Algorithms, 2021
We address the basic question in discrete Morse theory of combining discrete gradient fields that are partially defined on subsets of the given complex. This is a well-posed question when the discrete gradient field V is generated using a fixed algorithm
Douglas Lenseth, Boris Goldfarb
doaj   +1 more source

Computation of the semantics of autoepistemic belief theories

Artificial Intelligence, 1999
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Stefan Brass, Jürgen Dix, Teodor C. Przymusinski   +2 more
openaire   +2 more sources

Revising Z: part I - logic and semantics [PDF]

, 1999
This is the first of two related papers. We introduce a simple specification logic ZC comprising a logic and a semantics (in ZF set theory) within which the logic is sound.
Reeves, Steve, Henson, Martin C.
core   +1 more source

Inductive Data Types Based on Fibrations Theory in Programming

Journal of Computing and Information Technology, 2016
Traditional methods including algebra and category theory have some deficiencies in analyzing semantics properties and describing inductive rules of inductive data types, we present a method based on Fibrations theory aiming at those questions above.
Decheng Miao, Jianqing Xi, Yubin Guo, Deyou Tang   +3 more
doaj   +1 more source