**On Weyl-reducible locally conformally Kähler structures**

(in collaboration with Farid Madani and Andrei Moroianu), available on arXiv.**Conformally related Kähler metrics and the holonomy of lcK manifolds**

(in collaboration with Farid Madani and Andrei Moroianu), available on arXiv.

**On toric locally conformally Kähler manifolds**

(in collaboration with Farid Madani and Andrei Moroianu), to appear in**Ann. Global Anal. Geom.**,

DOI: 10.1007/s10455-017-9545-5. Available on arXiv.**S^1-equivariant Yamabe invariant of 3-manifolds**

(in collaboration with Bernd Ammann and Farid Madani), to appear in**Int. Math. Res. Notices**.

DOI: 10.1093/imrn/rnw194. Available on arXiv.,**Toric Vaisman manifolds****J. Geom. Phys.**107 (2016), 149 - 161.

Available on arXiv.**Eigenvalue estimates of the spin^c Dirac operator and harmonic forms on Kähler-Einstein manifolds**

(in collaboration with Roger Nakad),**SIGMA**11 (2015), 54 - 68. Available on arXiv.**Homogeneous Almost Quaternion-Hermitian Manifolds**

(in collaboration with Andrei Moroianu and Uwe Semmelmann),**Math. Ann.**357 (2013), 1205 - 1216. Available on arXiv.(in collaboration with Andrei Moroianu),**Higher Rank Homogeneous Clifford Structures****J. London Math. Soc.**87 (2013), 384 - 400. Available on arXiv.,**Kählerian Twistor Spinors****Math. Z.**, Volume 268, Issue 1 (2011), 223 - 255. Available on arXiv.(in collaboration with Liviu Ornea),**Remarks on the Product of Harmonic Forms****Pacific J. Math.**250 (2011), 353 - 363. Available on arXiv.,**A New Proof of Branson's Classification of Elliptic Generalized Gradients****Manuscripta Math.**136, No.1-2 (2011), 65 - 81. Available on arXiv.,**A Note on the Conformal Invariance of G-Generalized Gradients****Internat. J. Math.**, 22, Issue 11 (2011), 1561 - 1583. Available on arXiv.,**A Representation-Theoretical Proof of Branson's Classification of Elliptic Generalized Gradients****Differential Geom. Appl.**, Volume 29, Supplement 1 (2011), S188 - S195 .

,**On Formal Riemannian Metrics****Analele Stiintifice ale Universitatii Ovidius Constanta**, Seria Matematica, vol XX, fasc. 2 (2012), 131 -- 144,

10th International Workshop on Differential Geometry and its Applications, Constanţa.

**Special Geometric Structures on Riemannian Manifolds**[pdf],

Habilitation Thesis, University of Regensburg, 2016.

[pdf], [ps],**Generalized Gradients of G-Structures and Kählerian Twistor Spinors**

Ph.D. Thesis, University of Cologne, 2009.*Generalized Gradients of G-Structures and Kählerian Twistor Spinors*,

Softcover, A5, (180 pages), Verlag Dr. Hut, München, 2009.

, (in Romanian) [pdf], [ps] Abstract in English [pdf], [ps],**Extremal Metrics on Sasakian Manifolds**

Master Thesis, Scoala Normala Superioara Bucuresti (SNSB), 2006., (in Romanian) [pdf], [ps] Outline in English [pdf], [ps],**The Geometry of Self-Dual Kähler Surfaces**

Diploma Thesis, Faculty of Mathematics and Computer Science, University of Bucharest, 2005.

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and they may differ from the published versions.