Recent publications

Books

 

Journal articles

  • Cavallaro, A. Ficara, P. De Meo, G. Fiumara, S. Catanese, O. Bagdasar, Antonio Liotta, Criminal networks analysis in missing data scenarios through graph distances, PloS one 16 (8), e0255067 (2021) [IF: 2.740].
  • Andrica, O. Bagdasar, On k-partitions of multisets with equal sums, Ramanujan Journal of Mathematics, 55, 421-435 (2021)
  • Andrica, O. Bagdasar, On Generalized Lucas pseudoprimality of level k, Mathematics 9 (8), 838 [IF: 1.747]
  • Andrica, O. Bagdasar, On some new arithmetic properties of the generalized Lucas sequences, Meditt. J. Math (2021) [IF: 1.220]
  • Andrica, O. Bagdasar: Pseudoprimality related to the generalized Lucas sequences, Mathem. Comput Sim. (2021) [IF: 1.620]
  • Andrica, O. Bagdasar, G.-C. Turcas, On some new results for the generalised Lucas sequences, Analele Stiintifice ale Universitatii Ovidius Constanta 29(1), 17-36 (2021) [IF: 0.452]
  • J Dianavinnarasi, R Raja, J Alzabut, J Cao, M Niezabitowski, O Bagdasar, Application of Caputo–Fabrizio operator to suppress the Aedes Aegypti mosquitoes via Wolbachia: An LMI approach, Mathematics and Computers in Simulation (2021) [IF: 1.620]
  • J Dianavinnarasi, R Raja, J Alzabut, M Niezabitowski, O Bagdasar, Controlling Wolbachia Transmission and Invasion Dynamics among Aedes Aegypti Population via Impulsive Control Strategy, Symmetry 13 (3), 434 (2021) [IF: 2.645]
  • A Pratap, R Raja, J Cao, C Huang, M Niezabitowski, O Bagdasar, Stability of discrete‐time fractional‐order time‐delayed neural networks in complex field, Mathematical Methods in the Applied Sciences (2021) [IF: 2.740]
  • L Erhan, M Ndubuaku, M Di Mauro, W Song, M Chen, G Fortino, Bagdasar, A. Liotta, Smart anomaly detection in sensor systems: A multi-perspective review, Information Fusion, 67, 64-79 (2021) [IF: 13.669]
  • B Kang, F Malute, O Bagdasar, H Choo, Internet of Planet (IoP): A New Era of the Internet, IT Professional 23 (3), 76-81 (2021)
  • Cavallaro, L., Bagdasar, O., De Meo, P. et al. Artificial neural networks training acceleration through network science strategies. Soft Comput (2020) [IF: 3.050]
  • B Kang, J Lee, O Bagdasar, H Choo , Cloud IoT-based Jukebox Platform: A Music Player for Mobile Users in Café, Journal of Internet Technology 21 (5), 1363-1374 (2020) [IF: 0.935]
  • B Kang, F Malute, O Bagdasar, H Choo, DETN: delay-efficient tolerant network for Internet of Planet, IEEE Sensors Journal 21 (2), 2377-2384 (2020) [IF: 3.076]
  • W Chartbupapan, O B., K Mukdasai, A Novel Delay-Dependent Asymptotic Stability Conditions for Differential and Riemann Liouville Fractional Differential Neutral Systems with Constant Delays and Nonlinear Perturbation, Mathematics 8 (1), 82 [IF: 1.105]
  • Cavallaro, A. Ficara, P. De Meo, G. Fiumara, S. Catanese, O. Bagdasar, Antonio Liotta, Disrupting Resilient Criminal Networks through Data Analysis: The case of Sicilian Mafia, PloS one 15 (8), e0236476 (2020) [IF: 2.740].
  • O. Bagdasar, N. Popovici, S. BerryTraffic Assignment: On the Interplay between Optimization and Equilibrium Problems, Optimization 1-18 (2020) [IF: 1.860]
  • Cao, A. Pratap, R. Raja, R. P. Agarwal, O. Bagdasar, Multi-weighted complex structure on fractional order coupled neural networks with linear coupling delay: A Robust synchronization problem, Neural Processing Letters [IF: 1.787]
  • Pratap, R. Raja, C. Sowmiya, O. Bagdasar, J. Cao, G. Rajchakit, Global projective lag synchronization of fractional order memristor based BAM neural networks with mixed time varying delays, Asian Journal of Control (2018) [Impact Factor: 1.528]
  • Andrica, O. Bagdasar, Some remarks on a general family of complex polynomials, Applicable Analysis and Discrete Mathematics [IF: 0.887] (2019)
  • D. Andrica, O. Bagdasar, A new formula for the coefficients of Gaussian polynomials (Analele Stiintifice ale Universitatii Ovidius Constanta) [IF: 0.452] 
  • Andrica, O. Bagdasar, On cyclotomic polynomial coefficients, Malaysian Journal of Mathematics 12pp 
  • Andrica, O. Bagdasar, On some results concerning the polygonal polynomials, Carpathian J of Math, 2019 [IF: 0.788]
  • Pratap, R. Raja, G. Rajchakit, J. Cao, O. Bagdasar, Mittag-Leffler state estimator design and synchronization analysis for fractional order BAM neural networks with time delays, Int J Adapt Control and Sig Proc [Impact Factor: 2.082]
  • T. E. Hunt, O. Bagdasar, D. Sheffield, M.B. Schofield: Assessing domain specificity in the measurement of mathematics calculation anxiety, Education Research International
  • O. Bagdasar, S. Berry, S. O’Neill, N. Popovici, R. Ramachandran: Traffic Assignment: Methods and Simulations for an Alternative Formulation of the Fixed Demand Problem, Mathematics and Computers in Simulation (2019) [IF: 1.476] 
  • Andrica, O. Bagdasar, Some remarks on 3-partitions of multisets”, Proc. of 2nd IMA TCDM’18, Electronic Notes in Discrete Math, Elsevier 70 (2018), 1-8.
  • O. Bagdasar, R.-J. Tatt, On some new arithmetic functions involving prime divisors and perfect powers, Proc. of 2nd IMA TCDM’18, Electronic Notes in Discrete Math, Elsevier 70 (2018), 9-15.
  • A. Bagdasaryan, O. Bagdasar, On an arithmetic triangle of numbers arising from inverses of analytic functions, Proc. of 2nd IMA TCDM’18, Electronic Notes in Discrete Math, Elsevier 70 (2018), 17-24.
  • Pratap, R. Raja, C. Sowmiya, O. Bagdasar, J. Cao, G. Rajchakit, Robust generalized Mittag-Leffler synchronization of fractional order neural networks with discontinuous activation and impulses, Neural Networks (2018) [Impact Factor: 7.197]
  • Bagdasar, N. Popovici: Unifying local-globaltype properties in vector optimization, Journal of Global Optimization (2018) [IF: 1.728]
  • A. Pratap, R. Raja, C. Sowmiya, O. B., J. Cao, G. Rajchakit, Robust generalized Mittag-Leffler synchronization of fractional order neural networks with discontinuous activation and impulses, Neural Networks (accepted 2018)
  • O. B., N. Popovici: Unifying local-global type properties in vector optimization, Journal of Global Optimization (accepted 2018)
  • O. B., N. Popovici: Extremal properties of generalized convex vector functions, J Nonlinear Convex Analysis, Vol. 18 (12) (2017) 
  • O. B., P.J. Larcombe, On the masked periodicity of Horadam sequences: A generator-based approach, Fibonacci Quart. (2017) 
  • O. B., I-L. Popa, On the periodicity of certain non-homogeneous complex linear recurrences, Electron. Notes Discrete Math, Vol. 56, 7-13 (2016)
  • O. B., P.J. Larcombe and, A. Anjum, On the structure of periodic complex Horadam sequences, Carpathian J Math, (2016)
  • O. B., N. Popovici, Local maximum points of explicitly quasiconvex functions, Optimization Letters, Vol. 9(4), 769-777 (2015)
  • O. B., On some functions involving the lcm and gcd of integer tuples, Appl Math Inform and Mech, Vol 6(2), 91-100 (2014)
  • O. B. and P.J. Larcombe, On the characterization of periodic Horadam sequences, J Differ Equ App, 1069-1090 (2014)
  • P.J. Larcombe, O. B., and E.J. Fennessey, On a Result of Bunder Involving Horadam Sequences: A New Proof, Fibonacci Quart, Vol. 52(2), 175-177 (2014)
  • O. B. and P.J. Larcombe, On the number of complex Horadam sequences with a fixed period, Fibonacci Quart, Vol. 51(4), 339-347 (2013)
  • O. B., P.J. Larcombe, A. Anjum, Particular orbits of periodic Horadam sequences, Octogon Math Mag, 21 (1) (2013)
  • O. B. and P.J. Larcombe, On the characterization of periodic Horadam sequences, Fibonacci Quart, Vol. 51(1), 28-37 (2013)
  • P.J. Larcombe, O. B., and E.J. Fennessey, Horadam Sequences: A Survey, Bulletin of the ICA, 67 (2013)
  • O. B., M. Bencze, J.L. Díaz-Barrero, Blind men and the Hypercubes, Missouri J Math Sci, 23 (1), 19-26 (2011)
  • O. B., Complementary inequalities involving the Stolarsky mean, J Inequal Appl, Vol. 2010, Art. No. 492570, 10pp (2010)
  • O. B., D. Valcan, Generalizations of some divisibility relations in N, Creat Math Inform, 18, 92-99 (2009)
  • O. B., Inequalities for chains of normalized sums, JIPAM, 9, 7pp (2008)
  • O. B., The Extension Of a Cyclic Inequality to the Symmetric Form, JIPAM, 9, 10pp (2008)

 

Conference papers

  • P Mrozek, J Panneerselvam, O Bagdasar, Efficient Resampling for Fraud Detection During Anonymised Credit Card Transactions with Unbalanced Datasets, 2020 IEEE/ACM 13th International Conference on Utility and Cloud Computing
  • D. Andrica, O.B., New results and conjectures on 2-partitions of multisets, 7th ICSMAO (UAE) (2017)
  • O.B., A. Birlutiu, M. Chen and I-L Popa, Qualitative Case Study Methodology: Automatic Design and Correction of Ceramic Colors, 21st ICSTCC, Romania (2017) 
  • O. B. and M. Chen, A Horadam-based Pseudo-random number generator, Proceeding of UKSim-AMSS 16th (2014)
  • M. Trovati and O. B., Influence Discovery in Semantic Networks: An Initial Approach, Proceeding of UKSim-AMSS 16th (2014)
  • O. B., Using Computer Tests to Teach Mathematics – A Study Case, 4th International Symposium “Mathematical Education in the Current European Context”, Romania (2013)
  • O. B., The Number of Pairs of Integers with the Same lcm, 3rd International Symposium “Mathematical Education in the Current European Context”, Romania (2012)

 

Open Questions and Symposium papers:

  • M. Stubley, O.B., On the role of Open Questions in the Mathematical Education, 7th International Symposium “Mathematical Education in the Current European Context”, December 16th, Romania (2016)
  • G. Illsley, O.B., Understanding the fear of mathematics: Recipes for students and teachers, 8th  International Symposium “Mathematical Education in the Current European Context”, December 16th, Romania (2017).
  • O.B. and M. Stubley, On OQ.3184, Octogon Math. Mag, 24 (2) (2016)
  • O.B. and M. Stubley, On OQ.4595 and OQ.4537, Octogon Math. Mag, 25 (1) (2017) 
  • O.B., A. Birnie, C. Pissarides and A. Ahmad, On OQ.3166 and OQ.3484 in Octogon Math. Mag, 24 (2) (2016)
  • O.B., A. Birnie, C. Pissarides and A. Ahmad, On OQ.3928, On OQ.4259, On OQ.4537 in Octogon Math. Mag, 25 (1) (2017)
  • O.B., R. Connis and A. Baker: On OQ.4836 and OQ.4837 in Octogon Math. Mag, 25 (1) (2017)