发生
发表于 2025-3-26 20:59:52
Palgrave Studies in Economic Historyion. In traditional models for virus dynamics, the rate at which the viruses are cleared by the immune system is constant, and the rate at which susceptible cells are provided is constant or a function depending on the population of all cells. However, the human body in general is never stationary,
ENACT
发表于 2025-3-27 04:40:04
Changes in Production Efficiency in China attractors and, to that end, we first perform a change of variable using the Ornstein–Uhlenbeck process, transforming our stochastic model into a system of differential equations with random coefficients. After proving that this random system possesses a unique solution for any initial value, we an
Archipelago
发表于 2025-3-27 06:26:55
The Domestic Dimension of Security Dilemmas,ak solutions under the standard sign and polynomial growth conditions. We obtain new topological properties of solutions, in particular flattening property, prove the existence of uniform global attractor for multivalued semiflow generated by considered problem.
隐语
发表于 2025-3-27 10:47:21
Sovereignty and Changes in Statehood, In particular, we consider the solution of a problem in semigroups theory, and additionally, we consider a system of difference equations associated with a transmission of waves problem, studied in Avishai and Berend, Phys Rev B 45:6873–688, 1991, [.], and Avishai and Berend, Phys Rev B 45:2717–277
harbinger
发表于 2025-3-27 15:22:10
Changes in Teachers’ Moral Role, pp 20–38 (2015) [.]. For that, we consider a restricted case of the model and prove that for a wide range of parameter values, the topological entropy is positive, implying that the model exhibits topological chaos. In addition, we discuss whether this topological chaos is also physically observab
使更活跃
发表于 2025-3-27 20:45:03
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胶水
发表于 2025-3-27 23:21:33
2198-4182 mical systems on the one hand, and practical applications in nonlinear mechanics, optimization, decision making theory and control theory on the other. As such, the book will be of interest to mathematicians and engineers working at the interface of these fields.. .978-3-319-82150-4978-3-319-40673-2Series ISSN 2198-4182 Series E-ISSN 2198-4190
消息灵通
发表于 2025-3-28 05:26:22
Innovation as Objective: The SFINNO Approach Billiard systems can be integrable for a suitable choice of the boundary, for example, when the boundary consists of the arcs of the confocal ellipses, hyperbolas and parabolas. Since such a billiard systems are Liouville integrable, they are classified by the Fomenko–Zieschang invariants. In this
ALLEY
发表于 2025-3-28 10:15:44
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割让
发表于 2025-3-28 11:35:20
Uniform Global Attractors for Nonautonomous Evolution Inclusions978-3-658-39310-6