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The use of the internet for commerce has spawned a variety of
auctions, marketplaces, and exchanges for trading everything from
bandwidth to books. Mechanisms for bidding agents, dynamic pricing,
and combinatorial bids are being implemented in support of
internet-based auctions, giving rise to new versions of
optimization and resource allocation models. This volume, a
collection of papers from an IMA "Hot Topics" workshop in internet
auctions, includes descriptions of real and proposed auctions,
complete with mathematical model formulations, theoretical results,
solution approaches, and computational studies.
This volume also provides a mathematical programming perspective on
open questions in auction theory, and provides a glimpse of the
growing area of dynamic pricing.
This volume contains refereed papers submitted by international
experts who participated in the Atmospheric Modeling workshop March
15 -19, 2000 at the Institute for Mathematics and Its Applications
(IMA) at the University of Minnesota. The papers cover a wide range
of topics presented in the workshop. In particular, mathematical
topics include a performance comparison of operator-splitting and
non- splitting methods, time-stepping methods to preserve
positivity and consideration of multiple timescale issues in the
modeling of atmospheric chemistry, a fully 3D adaptive-grid method,
impact of rid resolution on model predictions, testing the
robustness of different flow fields, modeling and numerical methods
in four-dimensional variational data assimilation, and parallel
computing. Modeling topics include the development of an efficient
self-contained global circulation-chemistry-transport model and its
applications, the development of a modal aerosol model, and the
modeling of the emissions and chemistry of monoterpenes that lead
to the formation of secondary organic aerosols. The volume provides
an excellent cross section of current research activities in
atmospheric modeling.
This volume contains refereed papers submitted by international experts who participated in the Atmospheric Modeling workshop March 15 -19, 2000 at the Institute for Mathematics and Its Applications (IMA) at the University of Minnesota. The papers cover a wide range of topics presented in the workshop. In particular, mathematical topics include a performance comparison of operator-splitting and non- splitting methods, time-stepping methods to preserve positivity and consideration of multiple timescale issues in the modeling of atmospheric chemistry, a fully 3D adaptive-grid method, impact of rid resolution on model predictions, testing the robustness of different flow fields, modeling and numerical methods in four-dimensional variational data assimilation, and parallel computing. Modeling topics include the development of an efficient self-contained global circulation-chemistry-transport model and its applications, the development of a modal aerosol model, and the modeling of the emissions and chemistry of monoterpenes that lead to the formation of secondary organic aerosols. The volume provides an excellent cross section of current research activities in atmospheric modeling.
The use of the internet for commerce has spawned a variety of auctions, marketplaces, and exchanges for trading everything from bandwidth to books. Mechanisms for bidding agents, dynamic pricing, and combinatorial bids are being implemented in support of internet-based auctions, giving rise to new versions of optimization and resource allocation models. This volume, a collection of papers from an IMA "Hot Topics" workshop in internet auctions, includes descriptions of real and proposed auctions, complete with mathematical model formulations, theoretical results, solution approaches, and computational studies. This volume also provides a mathematical programming perspective on open questions in auction theory, and provides a glimpse of the growing area of dynamic pricing.
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