[Apdio] ITOR - Special issue on block action methods in nonlinear, programming and feasibility - Call for papers

[Ana Viana <ana.gomes.viana@gmail.com>]

(Apologies if you receive multiple copies of this announcement)


ITOR **** Call for papers *** Special issue on *block action methods in 
nonlinear,programming and feasibility

*Block action methods in nonlinear programming and feasibility have been 
a standard in many
areas of application as an alternative to classical optimization methods 
for general problems.
Optimization models derived from inverse problems in image processing 
and reconstruction give
rise to very large and sparse ill-conditioned mathematical problems 
where block treatment of the
constraints is a necessity, allowing only the use of first order 
function information, as well as early
stopping because of the ill-posedness. This is the case, for example, 
with ART, MART and their
relatives in X-ray computed tomography, the Expectation Maximization 
Algorithm, RAMLA
and OS-EM in Emission Computed Tomography. Other important related 
examples appear in
geophysics, borehole electromagnetic geotomography, radiation therapy 
planning and nonlinear
neural network training, where backpropagation type methods are also 
related.
Considering the importance of this large family of methods, 
International Transactions in
Operational Research (ITOR) will publish a special issue on the subject, 
expected to appear in the
beginning of 2009.
Articles on theoretical and practical aspects of block action methods 
will be welcome. The
articles will be thoroughly refereed according to the journal standards 
and the deadline for the
submissions is *May 31, 2008.*
Submissions and further inquiries should be sent directly to any of the 
Guest Editors in charge
of this issue: Hugo D. Scolnik (hscolnik@gmail.com) Alvaro R. De Pierro 
(alvaro@ime.
unicamp.br), Ne´ lida Echebest (opti@mate.unlp.edu.ar), and Marı´ a T. 
Guardarucci. (marite@
mate.unlp.edu.ar).*
*

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Ana Viana                              E-mail: aviana@inescporto.pt 
INESC Porto                            Phone: +351 22 209 4000 
Campus da FEUP                         Fax  : +351 22 209 4350 
Rua Dr. Roberto Frias, 378 
4200-465 PORTO - PORTUGAL

Call - block actio methods.pdf
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