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Integer Programming and Combinatorial Optimization - 22nd International Conference, IPCO 2021, Atlanta, GA, USA, May 19-21, 2021, Proceedings (Paperback, 1st ed. 2021)
Mohit Singh, David P. Williamson
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R1,623
Discovery Miles 16 230
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Ships in 10 - 15 working days
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This book constitutes the proceedings of the 22nd Conference on
Integer Programming and Combinatorial Optimization, IPCO 2021,
which took place during May 19-21, 2021. The conference was
organized by Georgia Institute of Technology and planned to take
place it Atlanta, GA, USA, but changed to an online format due to
the COVID-19 pandemic. The 33 papers included in this book were
carefully reviewed and selected from 90 submissions. IPCO is under
the auspices of the MathematicalOptimization Society, and it is an
important forum for presenting the latest results of theory and
practice of the various aspects of discrete optimization.
Metallic starch capped gold nanoparticles have been synthesized by
the reduction of chloroaurate anions AuCl4]- solution with
hydrazine in the aqueous starch and ethylene glycol solution at
room temperature and at atmospheric pressure. The characterization
of synthesized gold nanoparticles by UV-Vis spectroscopy, Scanning
electron microscopy (SEM), X-ray diffraction (XRD) indicate that
average size of pure gold NPs is 5-10 nm, they are spherical in
shape and are pure metallic gold. Starch capped gold nanoparticles
along with tyrosinase enzyme are effectively entrapped within
sol-gel matrix for application in catechol biosensor. Enzymatic
reaction between tyrosinase and catechol results in the formation
of a colored compound which shows characteristic absorbance at 410
nm. Starch@AuNPs based catechol biosensor showed fast response with
linearity for catechol sensing from 1 to 5 mM. Effect of buffer pH
and its concentration was also studied and results showed drastic
changes in absorption intensity with pH and concentration
variation. Along with catechol biosensor, starch capped gold NPs
find their application in glucose, urease and peroxide biosensor,
owing to their stability.
With the advent of approximation algorithms for NP-hard
combinatorial optimization problems, several techniques from exact
optimization such as the primal-dual method have proven their
staying power and versatility. This book describes a simple and
powerful method that is iterative in essence, and similarly useful
in a variety of settings for exact and approximate optimization.
The authors highlight the commonality and uses of this method to
prove a variety of classical polyhedral results on matchings,
trees, matroids, and flows. The presentation style is elementary
enough to be accessible to anyone with exposure to basic linear
algebra and graph theory, making the book suitable for introductory
courses in combinatorial optimization at the upper undergraduate
and beginning graduate levels. Discussions of advanced applications
illustrate their potential for future application in research in
approximation algorithms.
With the advent of approximation algorithms for NP-hard
combinatorial optimization problems, several techniques from exact
optimization such as the primal-dual method have proven their
staying power and versatility. This book describes a simple and
powerful method that is iterative in essence, and similarly useful
in a variety of settings for exact and approximate optimization.
The authors highlight the commonality and uses of this method to
prove a variety of classical polyhedral results on matchings,
trees, matroids, and flows. The presentation style is elementary
enough to be accessible to anyone with exposure to basic linear
algebra and graph theory, making the book suitable for introductory
courses in combinatorial optimization at the upper undergraduate
and beginning graduate levels. Discussions of advanced applications
illustrate their potential for future application in research in
approximation algorithms.
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