Institute of Mathematics Simion Stoilow of the Romanian Academy

P.O. Box 1-764, RO-014700, Bucharest, Romania

CNCS grant PN-II-RU-PD-2011-3-0149

* Selected Topics in Complex and Differential Geometry, Topology, and Singularities, * Special Session of The Ninth Congress of Romanian Mathematicians

Freeness for 13 lines arrangements is combinatorial (with Alexandru Dimca and Denis Ibadula), accepted to publication in Discrete Mathematics (2019): arXiv:1712.04400

Numerical invariants and moduli spaces for line arrangements (with Alexandru Dimca and Denis Ibadula), accepted to publication in Osaka J. Math. (2019): arXiv:1609.06551

On the geometry and topology of partial configuration spaces of Riemann surfaces (with Barbu Berceanu, Stefan Papadima and Radu Clement Popescu), Algebraic & Geometric Topology, 17 (2017), no. 2, 1163-1188: arXiv:1504.04733

Some remarks on the realizability spaces of (3, 4)-nets (with Denis Ibadula), accepted to publication in the Proceedings of the conference Experimental and Theoretical Methods in Algebra, Geometry and Topology, Bridging Algebra, Geometry, and Topology, Springer Proceedings in Mathematics & Statistics, 2014, 159166: link

Modular equalities for complex reflection arrangements (with Stefan Papadima and Radu Clement Popescu), Documenta Mathematica, Vol. 22 (2017), 135150: arXiv:1406.7137

On the second nilpotent quotient of higher homotopy groups for hypersolvable arrangements (with Daniel Matei and Stefan Papadima), IMRN, .Volume 2015, Issue 24, Pp. 1319413207: arXiv:1302.5822

Pencil type line arrangements of low degree: classification and monodromy (with Alexandru Dimca and Denis Ibadula), Ann. Scuola Norm. Sup. Pisa, (5) Vol. XV (2016), 249267: arXiv:1305.5092

Flat connections and resonance varieties: from rank one to higher ranks (with Stefan Papadima, Radu Clement Popescu and Alexandru Suciu), Trans. Amer. Math. Soc.369 (2017), 13091343: arXiv:1312.1439

A survey of combinatorial aspects in the topology of complex hyperplane arrangements, Contemporary Mathematics 508 (2009), 113-12: arXiv:0811.2156

Cohomology rings and formality properties of nilpotent groups, Journal of Pure and Applied Algebra 214 (2010), pp. 1818-1826: arXiv:0801

Characteristic varieties of nilpotent groups and applications (with Stefan Papadima), Proceedings of the Sixth Congress of Romanian Mathematicians (Bucharest, 2007), vol.1, pp. 57-64, Romanian Academy, Bucharest,2009: arXiv:0710.5398

On the monodromy action on Milnor fibers of graphic arrangements (with Stefan Papadima), Topology and its Applications 156 (2009), 761-774: arXiv:math/0609075