APPROX/livro.pdf
APPROX/errata.pdf
C.G. Fernandes, F.K. Miyazawa, M. Cerioli, P. Feofiloff (editores),
"Uma Introdução Sucinta a Algoritmos de Aproximação"
XXIII Colóquio Brasileiro de Matemática,
IMPA (Instituto de Matemática Pura e Aplicada),
Rio de Janeiro, 2001

1004.1437v2.pdf
P. Feofiloff, C.G. Fernandes, C.E. Ferreira, J.C. de Pina,
"A note on Johnson, Minkoff and Phillips' algorithm 
for the Prize-Collecting Steiner Tree Problem",
arXiv: 1004.1437v2, 18 Jun 2010

jmp-analysis-2014-09-20-clean.pdf
revised version (September 2014) of 1004.1437v2.pdf

1-s2.0-S0020019007000907-main.pdf (= pcst-ipl.pdf)
P. Feofiloff, C.G. Fernandes, C.E. Ferreira, J.C. de Pina,
"Primal-dual approximation algorithms for the Prize-Collecting 
Steiner Tree Problem",
Information Processing Letters, 103 (5), pp.195-202, 2007


pcst-ipl-v3.pdf
This is a corrected version of 1-s2.0-S0020019007000907-main.pdf.
Date 2013-01-29

low-level-pf.pdf
P. Feofiloff, C.G. Fernandes, C.E. Ferreira, J. C. Pina Jr.,
O(n^2 log n) implementation of an approximation
for the Prize-Collecting Steiner Tree Problem,
2002

fobs.pdf
P. Feofiloff and T. Kowaltowski,
Fuzzy Objects - A New Direction in Research,
1995

HP-PF.pdf
Working paper that originated fjs-2013-06-28.pdf

fjs-2013-06-28.pdf
E.G. Birgin, P. Feofiloff, C.G. Fernandes, E.L. de Melo, 
M.T.I. Oshiro, D.P. Ronconi,
A MILP model for an extended version of the Flexible Job Shop Problem,
Optimization Letters 8, pp.1417-1431, 2014.
DOI 10.1007/s11590-013-0669-7