Results 1 to 10 of about 300 (60)
Strength-plasticity synergy from ambient to high temperature via gradient-ordering in boride-reinforced WTaV medium-entropy alloy [PDF]
Developing next-generation hypersonic vehicles necessitates structural materials capable of withstanding extreme thermal gradients. However, conventional alloys usually sacrifice room-temperature plasticity for breakthroughs in high-temperature strength.
Bo Sun +8 more
doaj +2 more sources
Networks of causal relationships in the U.S. stock market
We consider a network-based framework for studying causal relationships in financial markets and demonstrate this approach by applying it to the entire U.S. stock market.
Shirokikh Oleg +6 more
doaj +1 more source
Some Results on Path-Factor Critical Avoidable Graphs
A path factor is a spanning subgraph F of G such that every component of F is a path with at least two vertices. We write P≥k = {Pi : i ≥ k}. Then a P≥k-factor of G means a path factor in which every component admits at least k vertices, where k ≥ 2 is ...
Zhou Sizhong
doaj +1 more source
Determination of the magnetostrictive atomic enviroments in FeCoB alloys [PDF]
The atomic environments of Fe and Co involved in the magnetostriction effect in FeCoB alloys have been identified by differential extended x-ray fine structure (DiffEXAFS) spectroscopy.
Aroca Hernández-Ros, Claudio +6 more
core +3 more sources
In this paper, we present a state-of-the-art branch-and-cut (B&C) algorithm for the multicommodity capacitated fixed charge network design problem (MCND).
Mervat Chouman +2 more
doaj +1 more source
Evacuation modeling: a case study on linear and nonlinear network flow models
We present a nonlinear traffic flow network model that is coupled to gaseous hazard information for evacuation planning. This model is evaluated numerically against a linear network flow model for different objective functions that are relevant for ...
Simone Göttlich +3 more
doaj +1 more source
A hybrid approach to the solution of a pricing model with continuous demand segmentation
Price optimization fits naturally the framework of bilevel programming, where a leader integrates within its decision process the reaction of rational customers.
Patrice Marcotte +2 more
doaj +1 more source
Sink location to find optimal shelters in evacuation planning
The sink location problem is a combination of network flow and location problems: from a given set of nodes in a flow network a minimum cost subset W has to be selected such that given supplies can be transported to the nodes in W.
P. Heßler, H.W. Hamacher
doaj +1 more source
Evaluating the quality of image matrices in blockmodeling
One approach for analyzing large networks is to partition its nodes into classes where the nodes in a class have similar characteristics with respect to their connections in the network. A class is represented as a blockmodel (or image matrix).
Stefan Wiesberg, Gerhard Reinelt
doaj +1 more source
Mathematical evolution in discrete networks [PDF]
This paper provides a mathematical explanation for the phenomenon of \triadic closure" so often seen in social networks. It appears to be a natural consequence when network change is constrained to be continuous.
Pfaltz, John F.
core +2 more sources

