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Research

R e p o r t

RUTCOR ffl Rutgers Center
for Operations Research ffl
Rutgers University ffl P.O.
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On the Structure of Bull-Free

Perfect Graphs, 2:

The Weakly Triangulated Case

Celina M. H. de Figueiredoa Fr?ed?eric Maffrayb

Oscar Portoc

RRR 45-94, December 1994

aUniversidade Federal do Rio de Janeiro, Instituto de Matem?atica, Caixa
Postal 68530, 21944 Rio de Janeiro, RJ, Brasil. [email protected]
bLSD2-IMAG, BP 53, 38041 Grenoble Cedex 9, France.
[email protected]
cPUC-Rio, Dept. de Engenharia El?etrica, Rua Marqu^es de S~ao Vicente
225, Predio Cardeal Leme, Sala 401, CEP 22453, Rio de Janeiro, RJ, Brasil.
[email protected]