Results 61 to 70 of about 1,515,221 (275)

On the relationship between bilevel decomposition algorithms and direct interior-point methods [PDF]

open access: yes, 2004
Engineers have been using bilevel decomposition algorithms to solve certain nonconvex large-scale optimization problems arising in engineering design projects.
Miguel, Angel Víctor de   +1 more
core   +2 more sources

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Planeamiento multiobjetivo de la expansión de la transmisión considerando seguridad e incertidumbre en la demanda

open access: yesIngeniería e Investigación, 2009
En este artículo se presenta una metodología de solución para el problema de planeamiento de la expansión de redes de trans- misión de energía eléctrica considerando contingencias simples (N-1).
Ricardo Andrés Bolaños Ocampo   +2 more
doaj  

Six-point functions and collisions in the black hole interior

open access: yesJournal of High Energy Physics, 2021
In the eternal AdS black hole geometry, we consider two signals sent from the boundaries into the black hole interior shared between the two asymptotic regions.
Felix M. Haehl   +2 more
doaj   +1 more source

An Algorithm for Finding Convex Hulls of Planar Point Sets

open access: yes, 2012
This paper presents an alternate choice of computing the convex hulls (CHs) for planar point sets. We firstly discard the interior points and then sort the remaining vertices by x- / y- coordinates separately, and later create a group ofquadrilaterals (e-
Mei, Gang   +2 more
core   +1 more source

Identification of serum protein biomarkers for pre‐cancerous lesions associated with pancreatic ductal adenocarcinoma

open access: yesMolecular Oncology, EarlyView.
This work identified serum proteins associated with pancreatic epithelial neoplasms (PanINs) and early‐stage PDAC. Proteomics screens assessed genetically engineered mice with abundant PanINs, KPC mice (Lox‐STOP‐Lox‐KrasG12D/+ Lox‐STOP‐Lox‐Trp53R172H/+ Pdx1‐Cre) before PDAC development and also early‐stage PDAC patients (n = 31), compared to benign ...
Hannah Mearns   +10 more
wiley   +1 more source

Genetic attenuation of ALDH1A1 increases metastatic potential and aggressiveness in colorectal cancer

open access: yesMolecular Oncology, EarlyView.
Aldehyde dehydrogenase 1A1 (ALDH1A1) is a cancer stem cell marker in several malignancies. We established a novel epithelial cell line from rectal adenocarcinoma with unique overexpression of this enzyme. Genetic attenuation of ALDH1A1 led to increased invasive capacity and metastatic potential, the inhibition of proliferation activity, and ultimately ...
Martina Poturnajova   +25 more
wiley   +1 more source

Optimal Load Shedding in Deregulated System and Consideration of Effective Factors by Using a Predictor-Corrector Interior-Point Method (IPM) [PDF]

open access: yesJournal of Intelligent Procedures in Electrical Technology, 2010
In this paper, intifially an introduction is presented about Electric Power market in deregulated system and load shedding by interior-point method in these systems. Then, predictor-corrector of IPM is considered and by consideration of the IEEE 6 busbar
Mojtaba Afshari, Saeed Abazari
doaj  

BUILDING ENVELOPE AND INTERIOR GRADING SYSTEMS AND METHODS [PDF]

open access: yes, 2015
A difference module determines differences between an out door ambient temperature and an indoor temperature, deter mines a first average of the differences, and determines a second average of the differences.
Alsaleem, Fadi Mohammad
core   +1 more source

MM Algorithms for Geometric and Signomial Programming

open access: yes, 2010
This paper derives new algorithms for signomial programming, a generalization of geometric programming. The algorithms are based on a generic principle for optimization called the MM algorithm. In this setting, one can apply the geometric-arithmetic mean
A Ruszczynski   +22 more
core   +1 more source

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