Ionel Catalin Barbu

Colegiul National Vasile Alecsandri , Bacau, .

E-mail: trimite un mesaj.

Pagina web a instituţiei: http://www.cnva.ro/
Pagina web personala: http://barbucatalin.ro/

Nascut(a) in: 1975

Interese: geometrie, hiperbolic, inegalitati

Detalii:
Editor sef al revistei "International Journal of Geometry"
Editor al revistei "International Journal of Classical and Modern Geometries" - India
Editor sef al revistei "Gheorghe ţiţeica" - Romania
Editor al revistei "Symposion Mathematicae" - Romania
Editor al revistei "Global Journal of advance research on classical and modern geometries" - Romania
Recenzor pentru Mathematical Reviews,Zentralblatt MATH, Journal of Mathematics Research.
Metodist în cadrul ISJ Bacãu
Membru al SSMR
Membru în International Association of Paradoxism -New Mexico
Coordonatorul Concursului Naţional de Geometrie "Gheorghe ţiţeica"
Coordonatorul Simpozionului Naţional de Geometrie "Gheorghe ţiţeica"
Membru în comitetul de organizare al "The XII^th Annual
Conference of the Romanian Mathematical Society" - Bacãu, 2008

Proiecte internaţionale

Participant în cadrul proiectului DAAD - Center of Excellence for Applications of Mathematics in South - East Europe, la cursul
Hyperbolic Geometry and Arithmetic, Sarajevo, 3-10 octombrie
2010

Participare cu lucrare la "Gheorghe Vrânceanu" National Conference on Mathematics and Informatics with international participation, 26th-27th of May, 2011, Bacãu, Romania.

Participare cu lucrare la 13^{th} International Conference on Applied Mathematics and Computer Science, August 2010, Cluj Napoca.

Participant la International Conference of Applied Mathematics, p.85, Septembrie 2010, Baia Mare.

Participare cu lucrare la sesiunea poster Joint Fall 2010 Meeting of the Texas Sections of the American Physical Society, AAPT, Zone 13 of SPS and the National Society of Hispanic Physicists, University of Texas at San Antonio, USA, October 21-23, 2010.

Participare cu lucrare la Annual Meeting of the Four Corners Section of the American Physical Society, Weber State University, Ogden, UT, USA, October 15-16, 2010.

Participare cu 2 lucrari la International Conference of Applied Mathematics, 2011, Baia Mare, Romania.

Participare cu lucrare la Simpozionul International "Educatia matematica in contextul european actual", Brasov, 2011.

Organizator general al Concursului Internaţional "Cu Europa...La
Joacã-Euroşcolarul" - Ediţia a III-a 2011


Recenzor al cãrţilor:
1. Interval Groupoids - W. Kandasamy, F. Smarandache, M. Chetry, d. Infolearnquest, Ann Arbor, SUA, 2010, ISBN-10:1- 59973-125-8
2. Interval Semigroups - W. Kandasamy, F. Smarandache, Kappa&Omega, Glendale, 2011, SUA, ISBN-10:1-59973-097-9
3. Rank distance bicodes and their generalization, N. Babu, R. Selvaraj, Svenska, Stockholm, Sweden, 2010, ISBN: 978-91-85917-12-9
4. Super Special Codes Using Super Matrices, W. Kandasamy,
F. Smarandache, K. Ilanthenral, Svenska, Stockholm, Sweden,
2010, ISBN: 978-91-85917-13-6

Autor al cãrţilor:
1. Teoreme fundamentale din geometria triunghiului - Editura Unique, Bacãu, 2008, ISBN 978 - 973 - 88906 -3-3
2. Noţiunea de izomorfism şi aplicaţii - Editura Grafit, Bacãu, 2006,
ISBN -10- 973 -7868- 70 -6
3. Numere complexe - Editura Grafit, Bacãu, 2005, ISBN 973 -7868 -33

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

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

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

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

Cãtãlin 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 ţiţeica" 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 Bacãu, SSMR, International Association of Paradoxism -New Mexico

Coordinator of the National Contest of Geometry "Gheorghe ţiţeica"

Coordinator of the National Symposium of Geometry "Gheorghe ţiţeica"

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

Co-organizer of the International Contest "Cu Europa…La Joacã-Euroşcolarul" - - Bacãu, 2011

Publicații selectate:

* Emil Stoica, Nicusor Minculete, Catalin Barbu, New aspects of Ionescu–Weitzenbock’s inequality, Balkan Society of Geometers, Geometry Balkan Press, Balkan Journal of Geometry and Its Applications, 21, 2016.

* 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.

* Cãtãlin Barbu, Laurian Pişcoran , Jordan type inequalities using monotony of functions, Journal of Mathematical Inequalities, vol. 8, 2014.

* Cãtãlin Barbu, Laurian Pişcoran , Andrica-Iwata's Inequality in hyperbolic triangle , Mathematical Inequalities & Applications, Volume 12, Number 3, 2012.

* Cãtãlin Barbu, Laurian Pişcoran, Some hyperbolic concurrency results in the Poincare disc, Carpathian Journal of Mathematics, Vol. 28, No.1/2012, 2012.

* Dorin Andrica, Cãtãlin Barbu, A Geometric Proof of Blundon's Inequalities, Mathematical Inequalities & Applications, Volume 15, Number 2, 2012.