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Annual reports
2017
Duarte R
.
Between Shi and Ish
. Discrete Mathematics. 2017;341 (2018):388-399.
2015
Duarte R.
,
A. de Oliveira G
.
The braid and the Shi arrangements and the Pak–Stanley labelling
. European Journal of Combinatorics. 2015;50:72-86.
2014
Duarte R
,
de Oliveira AG
.
A Famous Identity of Hajós in Terms of Sets
. J. Integer Seq.. 2014;17:Article 14.9.1, 10.
2013
Duarte R
,
de Oliveira AG
.
Note on the convolution of binomial coefficients
. J. Integer Seq.. 2013;16:Article 13.7.6, 9.
Guedes de Oliveira A
.
Graphs of polyhedra and the Theorem of Steinitz
2013.
Azenhas O
,
Guedes de Oliveira A
.
Interview with Francesco Brenti, Christian Krattenthaler and Vic Reiner
2013.
2010
de Oliveira AG
,
Vergnas ML
.
Parking functions and labeled trees
. Sém. Lothar. Combin.. 2010;65:Art. B65e, 10.
2009
Brunat JM
,
de Oliveira AG
,
Noy M
.
Partitions of a finite Boolean lattice into intervals
. European J. Combin.. 2009;30:1801-1809.
2007
de Oliveira AG
.
On the adjugate of a matrix
. Amer. Math. Monthly. 2007;114:923-924.
2005
de Oliveira AG
,
Silva DO
.
Note on the integer geometry of bitwise XOR
. European J. Combin.. 2005;26:755-763.
2004
Carvalho P
,
de Oliveira AG
.
Intersection and linking numbers in oriented matroids
. Discrete Comput. Geom.. 2004;31:305-321.
2000
Cordovil R
,
Fukuda K.
,
A. de Oliveira G
.
On the cocircuit graph of an oriented matroid
. Discrete Comput. Geom.. 2000;24:257-265.
Bokowski J
,
A. de Oliveira G
.
On the generation of oriented matroids
. Discrete Comput. Geom.. 2000;24:197-208.
1998
de Oliveira AG
.
An interpretation of the monodromy group of a wiring diagram
. In: Proceedings of the 1st International Meeting on Geometry and Topology (Braga, 1997). Cent. Mat. Univ. Minho, Braga; 1998. 1. p. 111-117p. (electronic).
1996
Cordovil R
,
de Oliveira AG
,
Vergnas ML
.
A generalized Desargues configuration and the pure braid group
. Discrete Math.. 1996;160:105-113.
Bokowski J
,
de Oliviera AG
,
Thiemann U
,
Costa AV
.
On the cube problem of Las Vergnas
. Geom. Dedicata. 1996;63:25-43.
1995
de Oliveira AG
.
On the Steinitz exchange lemma
. Discrete Math.. 1995;137:367-370.
1994
Bokowski J
,
de Oliveira AG
.
Invariant theory-like theorems for matroids and oriented matroids
. Adv. Math.. 1994;109:34-44.
1993
de Oliveira AG
.
Oriented matroids: an essentially topological algebraic model
Univ. Coimbra, Coimbra 1993.
1992
Cordovil R
,
de Oliveira AG
.
A note on the fundamental group of the Salvetti complex determined by an oriented matroid
. European J. Combin.. 1992;13:429-437.
1991
Bokowski J
,
de Oliveira AG
,
Richter-Gebert J
.
Algebraic varieties characterizing matroids and oriented matroids
. Adv. Math.. 1991;87:160-185.
1990
Bokowski J
,
de Oliveira AG
.
Simplicial convex $4$-polytopes do not have the isotopy property
. Portugal. Math.. 1990;47:309-318.
1988
Cordovil R
,
A. de Oliveira G
,
M. Moreira L
.
Parallel projection of matroid spheres
. Portugal. Math.. 1988;45:337-346.