Results 1 to 10 of about 10,864,024 (305)
Smith normal form in combinatorics
Journal of Combinatorial Theory - Series A, 2016 17 pages, 3 ...
Richard P Stanley
exaly +3 more sources
Normal form of formulas of pure hybrid logic
Lietuvos Matematikos Rinkinys, 2021 In this paper,we study a transformationof pure hybrid logic formulae,which do not have binding operator, into an equivalent normal form, which does not have any satisfiability operators in the scope of another satisfiability operator.
Daiva Aleknavičiūtė +1 more
doaj +1 more source
Dynamics and Bifurcations of a Discrete-Time Moran-Ricker Model with a Time Delay
Mathematics, 2023 This study investigates the dynamics of limited homogeneous populations based on the Moran-Ricker model with time delay. The delay in density dependence caused the preceding generation to consume fewer resources, leading to a decrease in the required ...
Bo Li, Zimeng Yuan, Zohreh Eskandari
doaj +1 more source
Dynamic Analysis of a COVID-19 Vaccination Model with a Positive Feedback Mechanism and Time-Delay
Mathematics, 2022 As the novel coronavirus pandemic has spread globally since 2019, most countries in the world are conducting vaccination campaigns. First, based on the traditional SIR infectious disease model, we introduce a positive feedback mechanism associated with ...
Xin Ai, Xinyu Liu, Yuting Ding, Han Li
doaj +1 more source
Dynamical Behaviors of an SIR Epidemic Model with Discrete Time
Fractal and Fractional, 2022 Analytically and numerically, the study examines the stability and local bifurcations of a discrete-time SIR epidemic model. For this model, a number of bifurcations are studied, including the transcritical, flip bifurcations, Neimark–Sacker bifurcations,
Bo Li +2 more
doaj +1 more source
Hopf-Zero Bifurcation in Three-Cell Networks with Two Discrete Time Delays [PDF]
Mathematics Interdisciplinary Research, 2021 In this paper, we study a delayed three-cell network which is introduced by coupled cell theory and neural network theory. We investigate this model with two different discrete delays.
Zohreh Dadi, Zahra Yazdani
doaj +1 more source
Normal Form and Solitons [PDF]
, 2008 32 pages, AMSLaTeX, 8 ...
Hiraoka, Y., Kodama, Y.
openaire +2 more sources
Journal of Advanced Research in Natural and Applied Sciences, 2022 Relational database management systems have been used for storing data for a long time.However, these systems are insufficient to analyze the large and complex structure of the data.
Ramazan Altın, A. Cumhur Kınacı
doaj +1 more source
Handling equivalence classes of Optimality-Theoretic tableaux
Journal of Language Modelling, 2015 Many Optimality-Theoretic tableaux contain exactly the same information, and equivalence-preserving operations on them have been an object of study for some two decades.
Igor Yanovich
doaj +1 more source
Global stability and bifurcation analysis of a delayed predator-prey system with prey immigration
Electronic Journal of Qualitative Theory of Differential Equations, 2016 A delayed predator-prey system with a constant rate immigration is considered. Local and global stability of the equilibria are studied, a fixed point bifurcation appears near the boundary equilibrium and Hopf bifurcation occurs near the positive ...
Gang Zhu, Junjie Wei
doaj +1 more source