Results 71 to 80 of about 11,157,685 (225)

Kuryshkin-Wodkiewicz quantum measurement model for alkaline metal atoms

open access: yesDiscrete and Continuous Models and Applied Computational Science, 2020
The constructive form of the Kuryshkin-Wodkiewicz model of quantum measurements was earlier developed in detail for the quantum Kepler problem. For more complex quantum objects, such a construction is unknown.
Alexander V. Zorin
doaj   +1 more source

Time Tools

open access: yesTopics in Cognitive Science, EarlyView.
Abstract Many core human activities require an understanding of time. To coordinate rituals, plan harvests and hunts, recall histories, keep appointments, and follow recipes, we need to grapple with invisible temporal structures like durations, sequences, and cycles. No other species seems to do this.
Kensy Cooperrider
wiley   +1 more source

Dynamical symmetries of the Kepler problem [PDF]

open access: yes, 2013
This paper comes from a first-year undergraduate research project on hidden symmetries of the dynamics for classical Hamiltonian systems. For pedagogical reasons the main subject chosen was Kepler’s problem of motion under a central potential, since it ...
M. Cariglia, Eduardo Silva Ara'ujo
semanticscholar   +1 more source

Initial Parameter Analysis about Resonant Orbits in Earth-Moon System

open access: yesAdvances in Astronomy, 2019
The initial parameters about resonant orbits in the Earth-Moon system were investigated in this study. Resonant orbits with different ratios are obtained in the two-body problem and planar circular restricted three-body problem (i.e., PCRTBP).
Li-Bo Liu   +2 more
doaj   +1 more source

Determining properties of human‐induced pluripotent stem cell‐derived cardiomyocytes using spatially resolved electromechanical metrics

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend In this study, we use human‐induced pluripotent stem cell‐derived cardiomyocyte (hiPSC‐CM) experiments and computational modelling to identify the mechanism of action of drug compounds. In the hiPSC‐CM experiments, optical measurements of cell collections are recorded in the baseline case and after drug exposure.
Karoline Horgmo Jæger   +4 more
wiley   +1 more source

Human flaws and logical tools in engineering

open access: yesThe Canadian Journal of Chemical Engineering, Volume 103, Issue 8, Page 3512-3520, August 2025.
Abstract This paper explores the limitations of human cognition, especially in engineering research, emphasizing the need for mathematical models and methods to guide decision‐making and theory validation. While human cognition excels in certain tasks, it is prone to biases that can distort our understanding.
André C. R. Martins
wiley   +1 more source

Corrigendum to “On a Class of Conjugate Symplectic Hermite–Obreshkov One-Step Methods with Continuous Spline Extension” [Axioms 7(3), 58, 2018]

open access: yesAxioms, 2019
The authors of the above mentioned paper specify that the considered class of one-step symmetric Hermite-Obreshkov methods satisfies the property of conjugate-symplecticity up to order p + r , where r = 2 and p is the order of the method.
Francesca Mazzia, Alessandra Sestini
doaj   +1 more source

The Classical Limit of the Quantum Kepler Problem

open access: yes, 2013
The classical limit of the quantum mechanical Kepler problem is derived by using a simple mathematical procedure recently proposed. The method is based both on Bohr’s correspondence principle and the local averages of the quantum probability distribution.
A. Martín-Ruiz   +3 more
semanticscholar   +1 more source

AUSTRIAN – UKRAINIAN PROJECT CENREC AS EXAMPLE OF INFORMATION SUPPORT OF ACTIVITY OF INTERNATIONAL SCIENTIFIC COMMUNITY.

open access: yesÌнформаційні технології в освіті, 2009
In the paper the problem of informational support and international scientific activity and cooperation of a few research groups working in the same scientific area is considered.
E. Kartashova, M. Lvov
doaj  

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