[51] New perspectives on the notion of catenary, Mathematics Days in Sofia,  Sofia (Bulgary), July 10 – July 14, 2023 (Invited Speaker).

[50] New perspectives on the notion of catenary, The Tenth Congress of Romanian Mathematicians. June 30 - July 5, 2023. Piteşti, Romania

[49] Capillary liquid channels in cylindrical support surfaces, International Conference on Differential Geometry and its Applications in honor of Jaigyoung Choe's 70th birthday.  26-30 June 2023. Jeju Island, Korea (Invited Speaker).

[48] Some themes around the notion of catenary, XIX Red Raider Minisymposium. Texas Tech University, Lubbock TX. April 20-23, 2023. (Plenary speaker).

[47] The mathematical model of a dome and some related problems. 5th Croatian Conference on Geometry and Graphics, Dubrovnik, September 4-8, 2022. Invited lecturer.

[46] Some themes around the catenary.19th International Geometry Symposium, Edirne Turkey, 27-30 June 2022. Invited speaker and member of the Scientific Committee.

[45] Translators of the Gauss curvature flow. Workshop on semi-Riemannian geometry, Yozgat Bozok University, Turkey, Invited speaker. May 27, 2022.

[44] Singular Minimal Surfaces and Perfect Domes in Architecture.  Studies on Scientific Developments in Geometry, Algebra, and Applied Mathematics Webinar  organized by the
 Turkish Journal of Mathematics on 1–3 February 2022.

[43] Translation surfaces and separable surfaces with constant curvature, Special Session on Differential Geometry and Geometric PDE Spring Western Sectional Meeting, San Francisco, May 1-2, 2021

[42] Surfaces with constant curvature in Euclidean space: old problems and new results, International Conference RIGA 2021 – Riemannian Geometry and Applications. Bucharest, 15-17 January 2021.

[41] The shape of a surface under the effect of the gravity. SIAM Conference on Mathematical Aspects of Materials Science. Session: Advances in mathematics of natural materials.  May 17-28, 2021.  Bilbao.

[40] Surfaces with constant mean curvature in Euclidean space: old problems and new results. Fall Central Sectional Meeting Geometry of Submanifolds and Integrable Systems, El Paso, September 12-13, 2020.

[39] Constant mean curvature surfaces with boundary. Twenty First International Conference on Geometry, Integrability and Quantization (Plenary Invited lecturer, 5 talks). Varna, Bulgaria, June 3-8, 2019.

[38] 4th Croatian Conference on Geometry and Graphics Vodnjan (Peroj), September 2-6, 2018 (Plenary Invited lecturer, opening lecture) 

[33] New examples of minimal surfaces. Invited speaker. PNU Math Forum 2016, Busan, Korea, December 1-3, 2016

[32] Stability analysis of a capillary fluid on an infinite cylinder. Invited speaker. Geometric inequalities on Riemannian manifolds and related topics, Busan, November 23-25 November, Busan, Korea

[31] Stability and bifurcation of a capillary fluid on an infinite cylinder. Special session on Applied Partial Differential Equations in Fluids and Materials. VI Iberian Mathematical Meeting. Santiago de Compostela, Spain, October, 6-8, 2016.

[30] Existence of spacelike graphs of constant mean curvature in the steady state space. GeLoMa 2016. VIII International Meeting on Lorentzian Geometry. Málaga, Spain. September 20-23, 2016.

[29] Constant mean curvature surfaces in the steady state space. 7th European Congress of Mathematics. July 18-22, 2016, Berlin, Germany.

[28] Capillary Surfaces Modeling Liquid Drops on Wetting Phenomena. Plenary speaker. The Role and Importance of Mathematics in Innovation. Kyushu University. Fukuoka, Japan. October 26-30, 2015.

[27] Capillary surfaces in Euclidean space. Asymptotic Problems: Elliptic and Parabolic Issues. Vilnius, Lituania. June, 1-5, 2015.

[26] Convexidad de las soluciones espaciales de la ecuación de curvatura media constante en el espacio de Lorentz-Minkowski (póster), Congreso de la RSME2015, February 2-6, 2015, Granada.

[25] Taller de pompas de jabón: una aproximación a la Geometría diferencial, Congreso de la RSME2015, February 4, 2015, Granada.

[22] Experimentos con pompas de jabón: una aproximación a la Geometría. (opening plenary lecture) XIV Congreso de Enseñanza y Aprendizaje de las Matemáticas. Málaga, España. July 4, 2012

[12] Liquid channels under the effect of the gravity, International Congress of Mathematicians, Madrid, August, 22-30, 2006.

[11]  Liquid channels under the effect of the gravity, International Conference on Global Differential Geometry, Munster, August, 14-19, 2006.

[10] Capillary liquid channels under the effect of the gravity, Lehigh University Geometry and Topology Conference, Lehigh, June, 8-10, 2006.

[9] Stationary surfaces in Lorentz-Minkowski space, Differential Geometry and Physics, August 29, September 2, Budapest, 2005.

[8] Estimates of the area for spacelike surfaces with constant mean curvature, The 24th Winter School Geometry and Physics, January 17-24, 2004, Srni, Czech Republic.

[7] The Dirichlet problem of the mean curvature equation for unbounded domains, Harmonic maps, minimal surfaces and geometric flows, July 8-12, 2002, University of Bretagne Occidentale, Brest, France.

[6] How to use MATHEMATICA to find cyclic surfaces of constant curvature in Lorentz-Minkowski space. International Congress on Differential Geometry in memory of Alfred Gray. Bilbao. 2000.

[5] Riemann-type surfaces in Lorentz-Minkowski 3-space L³. Alhambra 2000: a Joint Mathematical European-Arabic Conference. Granada. 2000.

[4] Cyclic hypersurfaces of constant curvature. Minimal surfaces, Geometric analysis and Symplectic Geometry. John Hopkins University. Baltimore. 1999.

[3] On uniqueness of constant mean curvarture surfaces with planar boundary. Conference on Differential Geometry. Budapest (Hungria). 1996.

[2] Surfaces of constant mean curvature with planar boundary. International Conference on Differential Geometry. Brasil. 1996 

[1] Constant mean curvature surfaces with boundary. Burlington Mathfest (Special Session: Soap Bubble Geometry). 1995