Catalin Barbu
Catalin Barbu
Professor of Mathematics, Vasile Alecsandri National College
Verified email at ijgeometry.com - Homepage
Title
Cited by
Cited by
Year
A geometric proof of Blundon’s inequalities
D Andrica, C Barbu
Math. Inequal. Appl 15 (2), 361-370, 2012
202012
Teoreme fundamentale din geometria triunghiului
BD AB, DC AC, BD AB AB, D AC, DB AB, DC AE
192008
Fundamental theorems of triangle geometry
C Barbu
Ed. Unique, Bacau, 2008
182008
A geometric way to generate Blundon type inequalities
D Andrica, C Barbu, N Minculete
arXiv preprint arXiv:1205.1145, 2012
132012
Menelaus’s theorem for hyperbolic quadrilaterals in the Einstein relativistic velocity model of hyperbolic geometry
C Barbu
Scientia Magna 6 (1), 19, 2010
102010
Jordan type inequalities using monotony of functions
C Barbu, LI PIScoran
J. Math. Inequal 8 (1), 83-89, 2014
92014
New aspects of Ionescu-Weitzenböck’s inequality
E Stoica, N Minculete, C Barbu
Balkan Journal of Geometry and Its Applications 21 (2), 95-101, 2016
82016
Trigonometric proof of Steiner-Lehmus theorem in hyperbolic geometry
C Barbu
Acta Universitatis Apulensis, 63-67, 2010
82010
THE HYPERBOLIC MENELAUS THEOREM IN THE POINCAR´ E DISC MODEL OF HYPERBOLIC GEOMETRY
F Smarandache, C Barbu
Infinite Study, 2010
82010
Smarandache’s pedal polygon theorem in the Poincaré disc model of hyperbolic geometry
C Barbu
Int. J. Math. Comb 1, 99-102, 2010
72010
Pappus’s harmonic theorem in the Einstein relativistic velocity model of hyperbolic geometry
LI Piscoran, C Barbu
Stud. Univ. Babes-Bolyai Math 56 (1), 101-107, 2011
62011
The hyperbolic Stewart theorem in the Einstein relativistic velocity model of hyperbolic geometry
C Barbu
An. Univ. Oradea Fasc. Mat 18 (1), 133-138, 2011
62011
Smarandache’s Cevian Triangle Theorem in The Einstein Relativistic Velocity Model of Hyperbolic Geometry
C Barbu
Infinite Study, 2010
42010
The geometric proof to a sharp version of Blundon’s inequalities
D Andrica, C Barbu, LI PIScoran
J. Math. Inequal 10, 1137-1143, 2016
32016
The orthopole theorem in the Poincaré disc model of hyperbolic geometry
C Barbu, LI Piscoran
Acta Univ. Sapientiae Math 4, 20-25, 2012
32012
Problem U193
T Andreescu, D Andrica
Mathematical Reflections.,(3), 2011
32011
On Panaitopol and Jordan type inequalities
C Barbu, LI PIScoran
Unpublished manuscript, 0
3
Remarks on a new metric in the unity disc of the complex plane
LI Pişcoran, C Barbu
Carpathian Journal of Mathematics, 239-244, 2014
22014
A new hyperbolic metric
LI Piscoran, CI Barbu
Differential Geometry-Dynamical Systems 15, 71-78, 2013
22013
Cevians of rank (k, l, m) in triangle
N Minculete, C Barbu
International Journal of Geometry 1 (2), 2012
22012
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Articles 1–20