Results 111 to 120 of about 78,218 (312)

Stochastic analysis of security and capacity of a quantum network

open access: yes, 2018
In this work, we invoke several stochastic models to investigate the behavior of quantum networks. Motivated by the increasing desire for secure communication, a special focus lies on how to secure such a network in the sense that a message can be sent from an arbitrary node to any other without being disclosed.
openaire   +1 more source

Market Structure Conduct Performance Hypothesis Revisited Using Stochastic Frontier Efficiency Analysis [PDF]

open access: yes
Stochastic frontier analysis, which is used to estimate the technical efficiency, is extended to examine the market structure, conduct and performance hypothesis for the U.S. trucking industry. The technical efficiency measure takes into account not only
Allen, Albert J.   +3 more
core   +1 more source

Resonant Domain Wall Dynamics in a Three‐Dimensional Magnetic Nano Double Helix

open access: yesAdvanced Materials, EarlyView.
3D magnetic nanostructures promise exciting possibilities for magnetization dynamics. However, experimental realizations remain scarce. In nanoprinted cobalt double helices, time‐resolved X‐ray microscopy reveals harmonic domain wall dynamics. Simulations identify the mode and additional higher‐frequency resonances, revealing a rich dynamic landscape ...
Pamela Morales‐Fernández   +15 more
wiley   +1 more source

A stochastic simulation-based approach for sizing DRES penetration level and BESS capacity in distribution grids

open access: yesInternational Journal of Electrical Power & Energy Systems
The extensive integration of distributed renewable energy resources (DRES) can lead to several issues in power grids, particularly in distribution grids, due to their inherent intermittency.
Aihui Fu   +7 more
doaj   +1 more source

Real Options using Markov Chains: an application to Production Capacity Decisions [PDF]

open access: yes
In this work we address investment decisions using real options. A standard numerical approach for valuing real options is dynamic programming. The basic idea is to establish a discrete-valued lattice of possible future values of the underlying ...
Fernando A. C. C. Fontes   +2 more
core  

Risk Management Policies for Dynamic Capacity Control [PDF]

open access: yes, 2009
Consider a dynamic decision making model under risk with a fixed planning horizon, namely the dynamic capacity control model. The model describes a firm, operating in a monopolistic setting and selling a range of products consuming a single resource ...
Meissner, J, Koenig, M
core  

Weaving Intelligence: Thermally Drawn Multimaterial Fibers Toward AI‐Enabled Smart Textiles

open access: yesAdvanced Materials, EarlyView.
Thermally drawn multimaterial fibers are rapidly advancing as intelligent structural units for next‐generation smart textiles. Integrating multimaterial architectures with neuromorphic and spiking‐neural‐network principles enables fabrics that can sense, compute, and adapt autonomously.
Vuong Dinh Trung   +9 more
wiley   +1 more source

Stochastic stability analysis method for doubly fed generator sets considering random blade stress

open access: yesEnergy Science & Engineering
With the increasing capacity of doubly fed induction generators (DFIGs), the diameter of the wind turbine is increasing, the blades are getting longer and longer, and in the process of power generation, the tower shadow effect as well as the role of wind
Wei Chen   +3 more
doaj   +1 more source

A Quantitative Assessment of the Economic Viability of Photovoltaic Battery Energy Storage Systems

open access: yesEnergies
Rooftop PV-BESS installations often lose profitability despite policy support to accelerate capacity growth. This paper performs techno-economic analysis to assess the effect of heterogeneity in real-world conditions on the economic viability of ...
Aayesha S. Ahmad   +2 more
doaj   +1 more source

Multivariate concave and convex stochastic dominance [PDF]

open access: yes
Stochastic dominance permits a partial ordering of alternatives (probability distributions on consequences) based only on partial information about a decision maker’s utility function.
EECKHOUDT, Louis   +3 more
core  

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