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>> Românã
 
   
 

Ionel Catalin Barbu

Colegiul National Vasile Alecsandri , Bacau, Romania

Institution web page: http://www.cnva.ro/
Personal web page: http://barbucatalin.ro/
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Born: 1975

Interests: geometry, hyperbolic, inequalities

Details:
2000-present: Professor "Vasile Alecsandri" National College, Bacau, Romania

1999-2000: Professor "LPS" College, Bacau, Romania

1997-1998: Professor "Grigore Antipa" College, Bacau, Romania

1997-1998: Professor "Henri Coanda" College, Bacau, Romania

Current interests

Euclidean Geometry and Applications, Hyperbolic Geometry, Elementary Mathematics

Grants, fellowship and awards:

2010: DAAD - Center of Excellence for Applications of Mathematics in South - East Europe, Hyperbolic Geometry and Arithmetic, 3-10 October, University of Sarajevo, Bosnia

Visiting institutions

University of Sarajevo, Bosnia, 2010

Selected publications

Dorin Andrica, Catalin Barbu - A Geometric Proof of Blundon's Inequalities - Mathematical Inequalities & Applications, Volume 15, Number 2 (2012), 361-370.

Catalin Barbu, Laurian Piscoran - Some hyperbolic concurrency results in the Poincare disc -Carpathian Journal of Mathematics, Vol. 28, No.1/2012, 9 - 15.

Catalin Barbu, Laurian Piscoran - Andrica-Iwata's Inequality in hyperbolic triangle, - Mathematical Inequalities & Applications, Volume 12, Number 3 (2012), 631-637.

Catalin Barbu - Van Aubel's Theorem in the Einstein Relativistic Velocity Model of Hyperbolic Geometry, Progress in Physics, Vol. 1, October 2012, 30-32.

Catalin Barbu, Ion Patrascu - Some properties of Newton-Gauss line, Forum Geometricorum, Vol 12 (2012), 149-152.

Other Professional Activities

Editor-in-Chief: International Journal of Geometry, "Gheorghe Titeica" Magazine

Member in Editorial Board: International Journal of Classical and Modern Geometries, Symposion Mathematicae, Global Journal of advance research on classical and modern geometries.

Reviewer: Mathematical Reviews (USA).

Member of ISJ Bacau, SSMR, International Association of Paradoxism -New Mexico

Coordinator of the National Contest of Geometry "Gheorghe Titeica"

Coordinator of the National Symposium of Geometry "Gheorghe Titeica"

Co-organizer of the "The XII^th Annual Conference of the Romanian Mathematical Society" - Bacau, 2008

Co-organizer of the International Contest "Cu Europa…La Joaca-Euroscolarul" - - Bacau, 2011

Selected publications:
• Laurian-Ioan Piscoran and Catalin Barbu. Remarks on a new metric in the unity disc of the complex plane. Carpathian Journal of Mathematics, Vol. 31, 2014.
• Catalin Barbu, Laurian Piscoran . Jordan type inequalities using monotony of functions. Journal of Mathematical Inequalities , vol. 8, 2014.
• Catalin Barbu, Laurian Piscoran . Andrica-Iwata' s Inequality in hyperbolic triangle . Mathematical Inequalities & Applications, Volume 12, Number 3, pp. 631-637, 2012.
• Catalin Barbu, Laurian Piscoran. Some hyperbolic concurrency results in the Poincare disc. Carpathian Journal of Mathematics, Vol. 28, No.1/2012, pp. 9-15, 2012.
• Dorin Andrica, Catalin Barbu. A Geometric Proof of Blundon' s Inequalities. Mathematical Inequalities & Applications , Volume 15, Number 2 , pp. 361-370, 2012.


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