## Section: Dissemination

### Promoting Scientific Activities

#### Scientific Events: Organisation

##### General Chair, Scientific Chair

Laurent Busé organized a CIMPA school at Joao Pessoa, Brazil, November 4-13, on the topic "Syzygies: from theory to applications". Six courses delivered by international experts of this topic were scheduled during this school that hosted about 40 international PhD students and young researchers. For more details, see http://www-sop.inria.fr/members/Laurent.Buse/CimpaSchoolBrazil/.

##### Member of the Organizing Committees

Laurent Busé co-organized with C. D’Andrea and Y. Cid Ruiz a mini-symposium on «Syzygies and Applications to Geometry » at the SIAM Conference on Applied Algebraic Geometry, Bern, Switzerland, July 9-13, 2019.

Angelos Mantzaflaris and Bernard Mourrain co-organized with E. Tsigaridas a mini-symposium on "Symbolic-numeric methods for non-linear equations: Algorithms and applications" at the SIAM Conference on Applied Algebraic Geometry, Bern, Switzerland, July 9-13, 2019.

#### Scientific Events: Selection

##### Member of the Conference Program Committees

Laurent Busé was a member of the international program committee of the 2019 Symposium on Physical and Solid Modeling (SPM), Vancouver, Canada, June 17-19. He was also a member of the scientific committee fro the conference "Ideals, Varieties, Applications" celebrating the influence of David Cox, Amherst, USA, June 10-14.

Angelos Mantzaflaris served in the PC of the 2019 Solid and Physical Modeling (SPM), https://project.inria.fr/spm2019/.

##### Reviewer

Laurent Busé reviewed for *Symposium on Physical and Solid Modeling conference*, *SIGGRAPH conference*, *ISSAC conference* and *MEGA conference*.

Ioannis Emiris reviewed for
the *Symposium of Computational Geometry*,
*ICALP: Intern. Conf. Automata, Logic & Programming* and
*MEGA: Méthodes Effectives en Géométrie Algébrique*.

Angelos Mantzaflaris reviewed for the * Symposium on Physical and Solid Modeling*.

Bernard Mourrain reviewed for *Symposium on Physical and Solid Modeling conference*, *ISSAC conference* and *MEGA conference*.

#### Journal

##### Member of the Editorial Boards

Ioannis Emiris is editorial board member of *J. Symbolic Computation (Elsevier)* and *Mathematics for Computer Science (Springer)*.

Evelyne Hubert is on the editorial board of Foundation of Computational Mathematics (since 2017) and the Journal of Symbolic Computation (since 2007).

Bernard Mourrain is associate editor of the Journal of Symbolic Computation (since 2007) and of the SIAM Journal on Applied Algebra and Geometry (since 2016).

##### Reviewer - Reviewing Activities

Laurent Busé reviewed for *Graphical Models journal*, *Advances in Applied Mathematics journal*, *SIAM SIAGA journal*, *International Mathematics Research Notices*, *Journal of Algebra*, *Applicable Algebra in Engineering, Communication and Computing journal*, *Computer-Aided Design journal*, *Computer Aided Geometric Design
journal*, *Journal of Computer Science and Technology*, *AMS Mathematics of Computations journal*, *Israel Journal of Mathematics* and *Journal of Symbolic Computation*.

Evelyne Hubert reviewed for Journal für die reine und angewandte Mathematik, Proceedings of the American Mathematical Society, Advances in Applied Mathematics, Foundation of Computational Mathematics, SIAM Journal on Applied Algebra and Geometry, Journal of Symbolic Computation, and Computer Aided Geometric Design.

Bernard Mourrain reviewed for
*Annales Henri Lebesgue*,
*Collectanea Mathematica journal*
*Computer-Aided Design journal*,
*Computer Aided Geometric Design journal*,
*Journal of Global Optimization*,
*Journal of Symbolic Computation*,
and *Mathematics of Computations journal*,

Angelos Mantzaflaris reviewed for Computer Methods in Applied Mechanics and Engineering, Computer Aided Geometric Design, Computers & Mathematics with Applications, and Journal of Symbolic Computation.

#### Invited Talks

Ahmed Blidia was an invited speaker in the minisymposium *Multivariate spline approximation and algebraic geometry*
at SIAM Applied Algebraic Geometry meeting, Bern, Switzerland in June 2019.

Laurent Busé was invited to give two lectures at the "27th National School on Algebra: Graded modules over polynomial rings with applications to free divisors", Bucarest, Romania, May 19-25; he was invited to give a plenary talk at the conference "Ideals, Varieties, Applications", in honor of David Cox, Amherst, USA, June 10-14; he gave an invited course during the school "TIME2019: Curves and Surfaces, a History of Shapes", Levico Terme, Italy, Septembre 2-6.

Ioannis Emiris was an invited speaker at KAUST, Visual computing center, Saudi Arabia in February 2019, and SIAM Applied Algebraic Geometry meeting, Bern, Switzerland in June 2019.

Alvaro Fuentes Suarez gave a seminar talk in the MFX team at Inria NGE in February 2019.

Evelyne Hubert presented a series of lectures at the national conference
*Equations Fonctionnelles et Interactions* (Anglet).
She was invited to give talks at the
*${A}^{3}$ - Arctic Applied Algebra*
conference (Tromsø, Norway, April 2019)
and the conference *A celebration of Symmetry and Comptutation* (Canterburry, UK).
She delivered seminar talks at the University of the Arctic (Tromsø, Norway) and at the Isaac Newton Institute (Cambridge, UK).

Angelos Mantzaflaris gave an invited talk at the 4th Workshop of the ERC project CHANGE, Centro Congressi dell'Annunziata, Sestri Levante, Italy (November 2019) and at the Schloss Dagstuhl – Leibniz Center for Informatics seminar on Interactive Design and Simulation, Germany (December 2019). He also delivered a mini-symposium presentation at the annual conference on Isogeometric Analysis (IGA 2019, Munich, Germany, September 2019).

Both Angelos Mantzaflaris and Bernard Mourrain were invited at the meeting on ”Isogeometric Splines: Theory and Applications“ of the Banff International Research Station for Mathematical Innovation and Discovery (BIRS, February 2019), at the Oberwolfach Mini-Workshop on Mathematical Foundations of Isogeometric Analysis (July 2019), and at the Algebraic Spline Geometry Meeting in Swansea, UK (August 2019).

Bernard Mourrain was invited
to give a talk at the conference *${A}^{3}$ - Arctic Applied Algebra*
(Tromsø, Norway, April 1-4);
an invited speaker of the conference MEGA (Madrid, Spain, June),
to talk at the minisymposium *The algebra and geometry of tensors* of SIAM Applied Algebraic Geometry meeting, (Bern, Switzerland, June 2019),
at the conference *Multivariate Approximation and Interpolation with Applications* (Vienna, Austria, Aug. 26-30),
at the Italian Mathematical Union conference (Pavia, Sept. 2-5).

He was also invited to give two courses on splines at the University of Montpellier, (October 23-24, 2019).

Erick Rodriguez Bazan was an invited speaker in the minisymposium
*Symmetry in algorithmic questions of real algebraic geometry *
at SIAM Applied Algebraic Geometry meeting, Bern, Switzerland in June 2019.

Fatmanur Yildirim was an invited speaker in the minisymposium
*Syzygies and applications to geometry*
at SIAM Applied Algebraic Geometry meeting, Bern, Switzerland in June 2019.

#### Leadership within the Scientific Community

Ioannis Emiris is member of the Scientific Board of Hellenic Foundation for Research & Innovation (http://www.elidek.gr), representing Informatics and Mathematics.

Bernard Mourain has been elected vice chair of the SIAM Algebraic Geometry group.

#### Scientific Expertise

Evelyne Hubert was on the hiring committee for Junior Research Scientists at Inria NGE.

#### Research Administration

Bernard Mourrain is member of the BCEP (Bureau du Comité des Equipes Projet) of the center Inria- Sophia Antipolis.

Evelyne Hubert was a member of Inria Evaluation committee (until June 2019).

Laurent Busé is a member of the admnistrative and scientific committee of the labex AMIES. He is also member of the CDT at Inria Sophia-Antipolis and the CPRH of the Mathematics Laboratory Jean-Alexandre Dieudonné of the University of Nice.