**Talks-Seminars-Posters **(some recent ones)

·
Right and left
symplectic keys, virtual keys and applications, SLC91, March 17-20, 2024

·
Non symmetric Cauchy kernel, crystals and last
passage percolation, CMUC, 2023.

·
Non
symmetric Cauchy kernel,
crystals and last passage percolation (poster), Brenti
fest, SLC 89, Bertinoro, March 26-29, 2023.

·
Crystals, and the Berenstein-Kirillov, cacti and related groups, Université de Tours, September 9, 2022, and CMUC, February
15, 2023.

·
Symplectic cacti, virtualization and Berenstein--Kirillov
groups, Joint Mathematics Meetings, Boston, January 6, 2023 - AMS
Special Session on Research Community in Algebraic Combinatorics II.

·
A uniform action of the dihedral
group Z_2 x D_3 on Littlewood-Richardson coefficients, SLC 86 Bad Boll,
and COREPTIL, EPFL, September
2021.

· Partitions with full equivalence Schur support are monotone ribbons with
full Schur support, CMA, FCT-UNL December 3, 2018, and
Seminar of Representation Theory and Related Areas, 7th Workshop, FCUL,
December 15, 2018.

· Involutions
for Littlewood-Richardson (LR) symmetries, CEAFEL, IST, Lisboa,
May 18, 2018.

· Skew RSK and coincidence of
Littlewood-Richardson commutors, SLC 79, Bertinoro,
September 10-13, 2017.

· Invariant
factors of a product of matrices over a principal ideal domain and the product
of Schur functions, Tarde de Álgebra dedicada a Eduardo Marques de Sá por ocasião
do seu 70º aniversário,
Department of Mathematics, UC, December 2, 2016.

· The
involutive nature of the Littlewood-Richardson
commutativity, (based on joint work with R. King and I. Terada) Positivity in Algebraic
Combinatorics, KIAS, Seoul, June 2016.

· Skew-shapes with interval support in the
dominance lattice (with R. Mamede) BIRS, Banff,
August 14-16, 2015.

· *Growth diagrams and non-symmetric
Cauchy identities over near staircase* (jointly with Aram Emami) SLC72, Lyon, 2014.

· Poster
(jointly with A.Emami) **25th International
Conference on** **Formal Power Series & Algebraic Combinatorics**,
Paris, France, 2013.

·
Key
polynomials of type C (jointly with
Ricardo Mamede), SLC 69, Strobl, 2012

· Littlewood-Richardson
coefficient inequalities (jointly with Mercedes Rosas) SLC66, March
2011, Ellwangen..

·
Números (coeficientes) de Littlewood-Richardson, Encontro Nacional
da SPM, Sessão Temática de Álgebra e
Combinatória, 8-10 de Julho, 2010, Instituto Politécnico de Leiria.

·
Puzzles, Littlewood-Richardson-coefficients
and Horn inequalities Seminar of the **Mathematics PhD Program UCoimbra-UPorto,** Math Department of the University
of Porto, October 26, 2009.

·
A linear time index-two subgroup of Littlewood-Richardson
coefficient $\mathbb Z_2\times S_3$ symmetries,
(jointly with A. Conflitti and R. Mamede)
**SLC63/
Incontro Italiano di Combinatoria Algebrica**,
September 28, 2009, Bertinoro.

· Linear
time equivalent Littlewood-Richardson coefficient symmetry maps (jointly
with A. Conflitti and R. Mamede)
**SLC62**, February 23, 2009, Heilsbronn.

· Poster
(jointly with A. Conflitti and R. Mamede)
**21st
International Conference on Formal
Power Series & Algebraic Combinatorics**, Hagenberg,
Austria, July 20-24, 2009.

· Schur
functions: tableaux, determinant formulas, lattice paths Seminar of the **Mathematics PhD Program UCoimbra-UPorto,** Math Department of the University
of Coimbra, October 22, 2008.

· A variation on tableau switching and
a Pak-Vallejo's Conjecture, FPSAC /SFCA 2008, **20th International
Conference on Formal Power Series and Algebraic Combinatorics**, Talca
University, Valparaiso, Chile, June 23-27, 2008.(slides from the
presentation)

· Olga Azenhas,
Ricardo Mamede, "Key
polynomials, invariant factors and an action of the symmetric group on Young
tableaux", (extended abstract), FPSAC /SFCA 2007, **19th International Conference
on Formal Power Series and Algebraic Combinatorics**, Nankay
University, Tianjin, China, July 2007. (poster)

· "A variation on tableau
switching and a Pak-Vallejo's Conjecture", Università
di Bologna, January 2008.

· "Shuffling, variants of jeu de taquin and actions of the
symmetric group on words", **Arbeitsgemeinschaft Diskrete Mathematik**, TU

· "Gelfand-Tsetlin
patterns commute with boundary: a bijective proof", **SLC 56**,

· "A bijective proof of the
commutativity property of Littlewood-Richardson coefficients", **Arbeitsgemeinschaft Diskrete Mathematik**, TU

· “Littlewood-Richardson coefficient
symmetries”, Universidad de Sevilla, May 2009.