# zbMATH — the first resource for mathematics

## Andrica, Dorin

Compute Distance To:
 Author ID: andrica.dorin Published as: Andrica, D.; Andrica, Dorin
 Documents Indexed: 143 Publications since 1978, including 18 Books Reviewing Activity: 478 Reviews
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#### Co-Authors

 33 single-authored 11 Andreescu, Titu 8 Pintea, Cornel 6 Barbu, Catalin Ionel 5 Bagdasar, Ovidiu Dumitru 5 Mangra, Dana 5 Piticari, Mihai 4 Buzeţeanu, Şerban N. 4 Crişan, Vlad 4 Ionaşcu, Eugen Julien 4 Radulescu, Sorin 3 Badea, Catalin 3 Blaga, Paul A. 3 Cicortaş, Graţiela 3 Enghiş, Pavel 3 Lazăr, Ioana-Claudia 3 Mare, Liviu 3 Moroianu, Sergiu 3 Rohan, Ramona-Andreea 3 Toader, Gheorghe 3 Ţurcaş, George Cătălin 2 Calugareanu, Grigore Dumitru jun. 2 Chender, Oana Liliana 2 Feng, Zuming 2 Funar, Louis 2 Marinescu, Dan Ştefan 2 Pečarić, Josip 2 Pişcoran, Laurian-Ioan 2 Radulescu, Marius-Cristian 2 Rasa, Ioan 2 Tóth, László 2 Tudor, Gheorghe Marin 1 Al-Thukair, Fawzi A. 1 Aldea, Mihaela 1 Badea, Ion 1 Bulgarean, Vasile 1 Chaubey, Sneha 1 Cucurezeanu, Ion 1 Drimbe, Mihai Onucu 1 Kása, Zoltán 1 Kudryavtseva, Elena A. 1 Lupescu, Adela 1 Minculete, Nicusor 1 Mustăţa, Costică 1 Musuroia, Nicolae 1 Nguyen, Khoa Lu 1 Rassias, Themistocles Michael 1 Szenkovits, Ferenc 1 Tarina, Marian 1 Todea, Mihaela 1 Tomescu, Ioan 1 Ţopan, Liana 1 Văcăreţu, Daniel 1 Zaharescu, Alexandru
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#### Serials

 9 Studia Universitatis Babeş-Bolyai. Mathematica 9 Acta Universitatis Apulensis. Mathematics - Informatics 7 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. L’Analyse Numérique et la Théorie de l’Approximation 6 Preprint. “Babeş-Bolyai” University. Faculty of Mathematics and Physics. Research Seminars 5 Gazeta Matematică 4 Analele Ştiinţifice ale Universităţii “Ovidius” Constanţa. Seria: Matematică 4 Nonlinear Functional Analysis and Applications 4 Preprint. “Babeş-Bolyai” University. Faculty of Mathematics. Research Seminars 3 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. Mathématica 3 Bulletin Mathématique de la Société des Sciences Mathématiques de Roumanie. Nouvelle Série 3 General Mathematics 3 International Journal of Geometry 2 American Mathematical Monthly 2 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics 2 Gazeta Matematica. Perfectionare Metodica si Metodologica in Matematica si Informatica 2 Mathematica 2 Revue d’Analyse Numérique et de Théorie de l’Approximation 2 Balkan Journal of Geometry and its Applications (BJGA) 2 Analele Universităţii din Oradea. Fascicola Matematică 2 Mathematical Inequalities & Applications 2 Carpathian Journal of Mathematics 2 Journal of Mathematical Inequalities 2 Creative Mathematics and Informatics 1 Periodica Mathematica Hungarica 1 Revue Roumaine de Mathématiques Pures et Appliquées 1 Bulletin of the Calcutta Mathematical Society 1 The Fibonacci Quarterly 1 Journal of the London Mathematical Society. Second Series 1 Journal of Number Theory 1 Studii şi Cercetări Matematice 1 Astra Matematică 1 Russian Journal of Mathematical Physics 1 Scientific Bulletin. Politehnica University of Bucharest. Series A 1 Arab Journal of Mathematical Sciences 1 European Mathematical Society Newsletter 1 Journal of Integer Sequences 1 Integers 1 Forum Geometricorum 1 Journal of Algebra and its Applications 1 Mediterranean Journal of Mathematics 1 Gazeta Matematică. Revistă de Cultură Matematică 1 Developments in Mathematics 1 Malaysian Journal of Mathematical Sciences 1 Springer Optimization and Its Applications 1 Problem Books in Mathematics
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#### Fields

 37 Global analysis, analysis on manifolds (58-XX) 36 Number theory (11-XX) 31 Real functions (26-XX) 21 Manifolds and cell complexes (57-XX) 15 General and overarching topics; collections (00-XX) 12 Geometry (51-XX) 12 Differential geometry (53-XX) 7 Combinatorics (05-XX) 7 Topological groups, Lie groups (22-XX) 7 Approximations and expansions (41-XX) 5 Algebraic topology (55-XX) 5 Mathematics education (97-XX) 4 Sequences, series, summability (40-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Functions of a complex variable (30-XX) 2 History and biography (01-XX) 2 Group theory and generalizations (20-XX) 2 Functional analysis (46-XX) 2 Operator theory (47-XX) 2 Numerical analysis (65-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Algebraic geometry (14-XX) 1 Associative rings and algebras (16-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Ordinary differential equations (34-XX) 1 Partial differential equations (35-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Integral transforms, operational calculus (44-XX) 1 Convex and discrete geometry (52-XX) 1 Operations research, mathematical programming (90-XX)

#### Citations contained in zbMATH

48 Publications have been cited 100 times in 75 Documents Cited by Year
Grüss’ inequality for positive linear functionals. Zbl 0619.26011
1988
Quadratic Diophantine equations. With a foreword by Preda Mihăilescu. Zbl 1376.11001
Andreescu, Titu; Andrica, Dorin
2015
Complex numbers from A to …Z. 2nd ed. Zbl 1301.00004
Andreescu, Titu; Andrica, Dorin
2014
An introduction to Diophantine equations. A problem-based approach. Zbl 1226.11001
Andreescu, Titu; Andrica, Dorin; Cucurezeanu, Ion
2010
Number theory. Structures, examples, and problems. Zbl 1182.00003
Andreescu, Titu; Andrica, Dorin
2009
Note on a conjecture in prime number theory. Zbl 0623.10030
Andrica, Dorin
1986
The Jensen inequality: Refinements and applications. Zbl 0585.26012
Andrica, D.; Raşa, I.
1985
A geometric proof of Blundon’s inequalities. Zbl 1241.51010
Andrica, Dorin; Barbu, Catalin
2012
On smooth maps with finitely many critical points. Zbl 1052.57051
Andrica, Dorin; Funar, Louis
2004
An abstract Korovkin type theorem and applications. Zbl 0924.41017
Andrica, D.; Mustăţa, C.
1989
Jensen’s and Jessen’s inequality, convexity-preserving and approximating polynomial operators and Korovkin’s theorem. Zbl 0681.26008
1986
Some unexpected connections between analysis and combinatorics. Zbl 1317.05015
Andrica, Dorin; Ionascu, Eugen J.
2014
A nil-clean $$2\times 2$$ matrix over the integers which is not clean. Zbl 1294.16019
Andrica, Dorin; Călugăreanu, Grigore
2014
A geometric way to generate Blundon type inequalties. Zbl 1313.26023
Andrica, Dorin; Barbu, Cătălin; Minculete, Nicuşor
2012
Complex numbers from A to …Z. Zbl 1127.00001
Andreescu, Titu; Andrica, Dorin
2006
On some extensions of Jordan’s arithmetic functions. Zbl 1096.11001
Andrica, Dorin; Piticari, Mihai
2004
On an integer sequence related to a product of trigonometric functions, and its combinatorial relevance. Zbl 1012.05006
Andrica, Dorin; Tomescu, Ioan
2002
An inequality concerning symmetric functions and some applications. Zbl 0924.26010
Andrica, Dorin; Mare, Liviu
1998
Functions with a minimal number of critical points. Zbl 0861.58006
Andrica, Dorin
1993
On some inequalities involving isotonic functionals. Zbl 0648.26014
Andrica, Dorin; Drimbe, Mihai Onucu
1988
Bounded solution for a singular boundary value problem. Zbl 0504.34011
Andrica, Dorin
1981
Recurrent sequences. Key results, applications, and problems. Zbl 07243219
Andrica, Dorin; Bagdasar, Ovidiu
2020
On Fibonacci and Lucas sequences modulo a prime and primality testing. Zbl 1413.11015
Andrica, Dorin; Crişan, Vlad; Al-Thukair, Fawzi
2018
New interpolation inequalities to Euler’s $$R\geq 2r$$. Zbl 1377.51010
Andrica, Dorin; Marinescu, Dan-Stefan
2017
Rodrigues formula for the Cayley transform of groups $$SO(n)$$ and $$SE(n)$$. Zbl 1374.22008
Andrica, Dorin; Chender, Oana Liliana
2015
The signum equation for Erdős-Surányi sequences. Zbl 1379.11011
Andrica, Dorin; Ionascu, Eugen J.
2015
A new way to derive the Rodrigues formula for the Lorentz group. Zbl 1324.22001
Andrica, Dorin; Rohan, Ramona-Andreea
2014
Computing the Rodrigues coefficients of the exponential map of the Lie groups of matrices. Zbl 1284.22012
Andrica, Dorin; Rohan, Ramona-Andreea
2013
Some remarks on the group of isometries of a metric space. Zbl 1261.51003
Andrica, Dorin; Bulgarean, Vasile
2012
The image of the exponential map and some applications. Zbl 1235.22026
Andrica, Dorin; Rohan, Ramona-Andreea
2011
On the minimal number of critical points of smooth maps between closed manifolds. Zbl 1194.58032
Andrica, D.; Funar, L.; Kudryavtseva, E.
2009
A note on the Negel and Gergonne points. Zbl 1199.51009
Andrica, Dorin; Nguyen, Khoa Lu
2008
On a class of convergent sequences defined by integrals. Zbl 1164.26317
Andrica, Dorin; Piticari, Mihai
2006
On a class of sequences defined by using Riemann integral. Zbl 1150.26311
Andrica, Dorin; Piticari, Mihari
2005
An extension of the Riemann-Lebesgue lemma and some applications. Zbl 1142.26311
Andrica, Dorin; Piticari, Mihai
2004
Parametric solutions for some Diophantine equations. Zbl 1096.11012
Andrica, Dorin; Tudor, Gheorghe M.
2004
An introduction to Diophantine equations. Zbl 1146.11309
Andreescu, Titu; Andrica, Dorin
2002
A combinatorial result concerning the product of more derivatives. Zbl 0977.05006
Andrica, Dorin
2000
Note on an abstract approximation theorem. Zbl 0965.41021
Andrica, Dorin
1998
An abstract result in approximation theory. Zbl 0891.41014
Andrica, Dorin
1997
Critical points of vector-valued functions. Zbl 0870.57047
Andrica, Dorin; Pintea, Cornel
1996
Some remarks on Stieltjes constants of the zeta function. Zbl 0736.11043
Andrica, Dorin; Tóth, László
1991
Some remarks on the equaion $$f(X)=A$$ in $$M_ n({\mathbb{C}})$$ and applications. Zbl 0657.15012
Rădulescu, Sorin; Andrica, Dorin
1988
Bernstein’s polynomials for powers via shifting operator. Zbl 0645.41016
Andrica, Dorin
1987
Abstract Jessen’s inequality for convex functions and applications. Zbl 0637.26013
Pečarić, Josip E.; Andrica, Dorin
1987
The refinement of some geometric inequalities. Zbl 0629.26014
Andrica, Dorin
1986
Inverse of Čebyšev’s inequality. Zbl 0757.26019
1985
On some inequalities involving convex sequences. Zbl 0547.26013
Andrica, D.; Raşa, I.; Toader, Gh.
1984
Recurrent sequences. Key results, applications, and problems. Zbl 07243219
Andrica, Dorin; Bagdasar, Ovidiu
2020
On Fibonacci and Lucas sequences modulo a prime and primality testing. Zbl 1413.11015
Andrica, Dorin; Crişan, Vlad; Al-Thukair, Fawzi
2018
New interpolation inequalities to Euler’s $$R\geq 2r$$. Zbl 1377.51010
Andrica, Dorin; Marinescu, Dan-Stefan
2017
Quadratic Diophantine equations. With a foreword by Preda Mihăilescu. Zbl 1376.11001
Andreescu, Titu; Andrica, Dorin
2015
Rodrigues formula for the Cayley transform of groups $$SO(n)$$ and $$SE(n)$$. Zbl 1374.22008
Andrica, Dorin; Chender, Oana Liliana
2015
The signum equation for Erdős-Surányi sequences. Zbl 1379.11011
Andrica, Dorin; Ionascu, Eugen J.
2015
Complex numbers from A to …Z. 2nd ed. Zbl 1301.00004
Andreescu, Titu; Andrica, Dorin
2014
Some unexpected connections between analysis and combinatorics. Zbl 1317.05015
Andrica, Dorin; Ionascu, Eugen J.
2014
A nil-clean $$2\times 2$$ matrix over the integers which is not clean. Zbl 1294.16019
Andrica, Dorin; Călugăreanu, Grigore
2014
A new way to derive the Rodrigues formula for the Lorentz group. Zbl 1324.22001
Andrica, Dorin; Rohan, Ramona-Andreea
2014
Computing the Rodrigues coefficients of the exponential map of the Lie groups of matrices. Zbl 1284.22012
Andrica, Dorin; Rohan, Ramona-Andreea
2013
A geometric proof of Blundon’s inequalities. Zbl 1241.51010
Andrica, Dorin; Barbu, Catalin
2012
A geometric way to generate Blundon type inequalties. Zbl 1313.26023
Andrica, Dorin; Barbu, Cătălin; Minculete, Nicuşor
2012
Some remarks on the group of isometries of a metric space. Zbl 1261.51003
Andrica, Dorin; Bulgarean, Vasile
2012
The image of the exponential map and some applications. Zbl 1235.22026
Andrica, Dorin; Rohan, Ramona-Andreea
2011
An introduction to Diophantine equations. A problem-based approach. Zbl 1226.11001
Andreescu, Titu; Andrica, Dorin; Cucurezeanu, Ion
2010
Number theory. Structures, examples, and problems. Zbl 1182.00003
Andreescu, Titu; Andrica, Dorin
2009
On the minimal number of critical points of smooth maps between closed manifolds. Zbl 1194.58032
Andrica, D.; Funar, L.; Kudryavtseva, E.
2009
A note on the Negel and Gergonne points. Zbl 1199.51009
Andrica, Dorin; Nguyen, Khoa Lu
2008
Complex numbers from A to …Z. Zbl 1127.00001
Andreescu, Titu; Andrica, Dorin
2006
On a class of convergent sequences defined by integrals. Zbl 1164.26317
Andrica, Dorin; Piticari, Mihai
2006
On a class of sequences defined by using Riemann integral. Zbl 1150.26311
Andrica, Dorin; Piticari, Mihari
2005
On smooth maps with finitely many critical points. Zbl 1052.57051
Andrica, Dorin; Funar, Louis
2004
On some extensions of Jordan’s arithmetic functions. Zbl 1096.11001
Andrica, Dorin; Piticari, Mihai
2004
An extension of the Riemann-Lebesgue lemma and some applications. Zbl 1142.26311
Andrica, Dorin; Piticari, Mihai
2004
Parametric solutions for some Diophantine equations. Zbl 1096.11012
Andrica, Dorin; Tudor, Gheorghe M.
2004
On an integer sequence related to a product of trigonometric functions, and its combinatorial relevance. Zbl 1012.05006
Andrica, Dorin; Tomescu, Ioan
2002
An introduction to Diophantine equations. Zbl 1146.11309
Andreescu, Titu; Andrica, Dorin
2002
A combinatorial result concerning the product of more derivatives. Zbl 0977.05006
Andrica, Dorin
2000
An inequality concerning symmetric functions and some applications. Zbl 0924.26010
Andrica, Dorin; Mare, Liviu
1998
Note on an abstract approximation theorem. Zbl 0965.41021
Andrica, Dorin
1998
An abstract result in approximation theory. Zbl 0891.41014
Andrica, Dorin
1997
Critical points of vector-valued functions. Zbl 0870.57047
Andrica, Dorin; Pintea, Cornel
1996
Functions with a minimal number of critical points. Zbl 0861.58006
Andrica, Dorin
1993
Some remarks on Stieltjes constants of the zeta function. Zbl 0736.11043
Andrica, Dorin; Tóth, László
1991
An abstract Korovkin type theorem and applications. Zbl 0924.41017
Andrica, D.; Mustăţa, C.
1989
Grüss’ inequality for positive linear functionals. Zbl 0619.26011
1988
On some inequalities involving isotonic functionals. Zbl 0648.26014
Andrica, Dorin; Drimbe, Mihai Onucu
1988
Some remarks on the equaion $$f(X)=A$$ in $$M_ n({\mathbb{C}})$$ and applications. Zbl 0657.15012
Rădulescu, Sorin; Andrica, Dorin
1988
Bernstein’s polynomials for powers via shifting operator. Zbl 0645.41016
Andrica, Dorin
1987
Abstract Jessen’s inequality for convex functions and applications. Zbl 0637.26013
Pečarić, Josip E.; Andrica, Dorin
1987
Note on a conjecture in prime number theory. Zbl 0623.10030
Andrica, Dorin
1986
Jensen’s and Jessen’s inequality, convexity-preserving and approximating polynomial operators and Korovkin’s theorem. Zbl 0681.26008
1986
The refinement of some geometric inequalities. Zbl 0629.26014
Andrica, Dorin
1986
The Jensen inequality: Refinements and applications. Zbl 0585.26012
Andrica, D.; Raşa, I.
1985
Inverse of Čebyšev’s inequality. Zbl 0757.26019
1985
On some inequalities involving convex sequences. Zbl 0547.26013
Andrica, D.; Raşa, I.; Toader, Gh.
1984
Bounded solution for a singular boundary value problem. Zbl 0504.34011
Andrica, Dorin
1981
all top 5