Invited lectures and seminars:
- 05 Jan 2022: American University of Kuwait – Mathematics Department (https://bit.ly/3G9ElON)
Invited Talk: On some special polynomials with applications to the study of partitions - 25 Oct 2021: The Ontario Colleges Mathematics Association 40th Annual Conference (https://bit.ly/3aPTsPV)
Keynote Talk: Mathematics on the Edge: From the classroom to applications and infinity - 28 June 2021: iEducare, Malaysia. Talk: Problem Solving skills: A mathematical key to employability
- 19 May 2021: Data Science Research Seminar (60 min), UoD, UK
Talk: Mathematics, poetry in symbols and formulae: infinity, fractals and recurrences - 28 April 2021: ANSCSE’24, 24th International Annual Symposium on Computational Science and Engineering
Kasetsart University, Nakhon Pathom, Thailand
Invited Talk: Computational mathematics: from pseudoprimality to the structure of criminal networks - 21 January 2021: Mediterranean College, Greece
Guest lecture: Computational Mathematics and Numeracy Training - 14 Nov 2020: International forum on Internet of things and Cloud/Edge Coordination (Anhui University, China)
Invited Talk: Algorithms for a better life: Applied Mathematics on the Edge - 15 October 2020: Analysis and Optimization Research Seminar (60 min), UBB Cluj, Romania
Talk: Recurrent Sequences (book presentation) cs.ubbcluj.ro/~grupanopt/ - 26 September 2019: ISB Bucharest: Problem solving: Your key to securing a job
- 22-24 January 2020: ICMMCMSE’2020 (Alagappa University, India)
- 17-24 December 2019: UK-Jiangsu 2020 Workshop, Zhenjiang, Erasmus+ meeting in Ahnui University, Hefei (China)
- 12-13 October 2019: GEBA’2019 (Iasi, Romania)
- 11-14 Sept 2019: IWANA2019 Thailand https://iwana2019bangkok.wordpress.com/keynote-speakers/ (Invited speaker)
Invited talk: From classical theory to new results for polynomials, partitions and integer sequences - 9 September 2019: Guest speaker at Rajamangala University, Bangkok, Thailand
Mathematical education and problem solving in the era of Big Data”
Big Data: Theoretical background, impact in the real world and examples” - 6 September 2019: NCOA’2019, Bangkok, Thailand
Invited talk: Unifying local-global type properties in vector optimization - 3-4 September 2019: ICMMCI’2019,Alagappa University, India (Keynote Speaker)
- 21 Jan 2019: CNAS College, Brasov, Romania: “Mathematics, poetry in symbols: Infinity, Fractals and Recurrences”
- 16 Jan 2019: HCC Alba Iulia College, Romania: “Mathematical incursions: Ideas, theory practice”
- 7 June 2018: UBB Cluj, Romania, Faculty of Mathematics: 1. Complex Analysis Research Seminar (30 min): “On cyclotomic polynomial coefficients”; 2. Analysis and Optimization Research Seminar (60 min): “Traffic Assignment Problem: Methods and Simulations”
- 15 March 2018: Edge Hill University (talk: Traffic Assignment Problem: On the interplay between Optimization and Equilibrium Problems)
- 13 February 2018: International Schoool of Bucharest (talk: Problem Solving: The mathematical key to securing a job)
- 23 May 2017: Optimum versus equilibrium solutions in traffic flow management, MOS UBB Cluj (Research centre for Modelling, Optimization and Simulation)
- 12-13 October 2017: Kishinev State University, Moldova (Complex recurrent sequences: Techniques, Patterns and Conjectures) (+Prometeu Prim High School talk)
- 20-22 February 2017: ICMMCMSE’17, Alagappa University, India (Keynote)
- 12 December 2015: IMA East Midlands branch talk: “Mathematics of beauty: On infinity, fractals and recurrent sequences”, Nottingham Trent University
- 2 April 2015: UBB Cluj, Romania, Faculty of Mathematics: 1. Mechanics and Astronomy Research Seminar (30 min): “The role of lubrication in cell adhesion: deterministic results and simulations for a simplified theoretical cell model”; 2. Complex Analysis Research Seminar (30 min): “On the geometric patterns produced by Horadam sequences in the complex plane”; 3. Analysis and Optimization Research Seminar (60 min): Extremal properties of generalized convex vector-valued functions
- 7 March 2015: Early Career Mathematicians’ Spring Conference, University of Sheffield: How to be happy while solving (other people’s) problems
- 20 February 2015: TCS Research Group, Loughborough University: “Complex Horadam sequences: periodicity, enumeration and applications”
- 16 February 2015: Guest Lecture for Subjects in Computer Science, University of Derby: “On the Visualisation of Number Sequences”
- 22 August 2014: Hanbat National University, South Korea: “Mathematics of beauty: on recurrences and emotions”
- 30 May 2014: UBB Cluj, Romania, Faculty of Mathematics, Interdisciplinary seminar: “On the Mathematics of beauty”
- 29 May 2014: UBB Cluj, Romania, Faculty of Mathematics, “On some properties and applications of Horadam sequences”
- 29 October 2013: Open University Mathematics Seminar, “The geometric patterns of complex Horadam sequences”
- 26 April 2013: SSMI, “Applied Mathematics: from life to formulas”
Conference presentations and posters:
- 30 January 2020: Advance HE STEM conference, Manchester, UK
- 31 January 2019: HEA STEM 2019 Conference, Talk: “Improving numeracy skills through technology: Three pilot projects by the University of Derby and Vretta”
- 4-7 November 2018: Informs’18 Annual Meeting, Phoenix, AZ (oral presentation) Journal of Global Optimization Informs Issue Highlights: Unifying Local-global Type Properties in Vector Optimization
- 14-15 September 2018: 2nd IMA TCDM (co-chair) (talk: “On new arithmetic triangles arising from inverses of analytic functions”)
- 27 June-1 July 2018: ICVANO, Martin Luther University, Halle (oral presentation on transportation modelling)
- 16-20 December 2017: Fourth Conference on Optimization Methods and Software (talk: Transportation management: On the interplay between Optimization and Equilibrium problems) (with N. Popovici and S. Berry), Cuba
- 25-28 September 2017: FGI 2017 (talk: Transportation management: methods and algorithms for solution) (with N. Popovici and S. Berry), Padeborn, Germany
- 31 July-4 August 2017: TREPAM’17 (talk: On the ratios and geometric boundaries of complex Horadam sequences and their generalizations), UAB, Romania
- 24-28 July 2017: 23rd ICDEA (talk: On the dynamical properties of certain complex recurrent sequences), Timisoara, Romania
- 4-6 April 2017: New results and conjectures on 2-partitions of multisets, 7th ICSMAO (UAE)
- 25-29 August 2016: XIIIth Colloq Fr-Ro (talk: Extremal properties of explicitly quasiconvex vector functions)
- 19-22 May 2016: XXth SSMR (talk: On the geometry of linear recurrences in the complex plane)
- 22-23 March 2016: First TCDM (talk:”On the number of tuples with the same lcm”)
- 17-20 September 2015: ICTAMI 2015, (Talk: “On Arithmetic Functions and Integer Tuples with the Same LCM”)
- 6-10 July 2015: 25th BCC (Talk: “Enumeration of periodic Horadam sequences”)
- 13-21 August 2014: ICM 2014, Seoul, Korea, On the enumeration of periodic generalized Horadam sequences (talk)
- 6-11 August 2014: ANTS XI, Korea, On certain computational and geometric properties of Horadam orbits (poster)
- 26-28 March 2014: UKSim2014, Cambridge, UK (Talk, Session Chair)
- 1-5 July 2013: 24th BCC (Talk: “Enumeration of periodic Horadam sequences”)
- 1-7 July 2010: ESOF 2010 (European Science Open Forum), Italy (poster)
Workshops:
- 11 April 2018: Organiser of the University of Derby Workshop on “Current Issues in Mathematical Education”
- 26-28 March 2015: Chair of “The Knowledge Triangle: Mathematics Applied to Industry”, within the Exploratory Workshop on “Internationalization of Higher Education: Challenges and Rewards”, Alba Iulia, Romania
Invited speakers (selection):
- 09.2018 Preda Mihailescu (Professor, Gottingen): “With Mathematics on the road”(Public lecture)
- 11.2017 Nicolae Popovici (Professor, UBB cluj): New algorithms for solving discrete vector optimization problems
- 09.2017 Valeriu Anisiu (Professor UBB Cluj Napoca, Romania): Solving difficult mathematical problems with Computer Algebra Systems (focus on Maple)
- 03.2016 Dr. Ioan Lucian Popa (UAB Alba Iulia, Romania): Dynamical Systems: A state-of-the-art survey
- 10.2015 Ashley Buckner (Senior OR Analyst, GORS): “From Electrons to the Unemployed: A (Rather) Random Walk through Maths, Statistics and Modelling”
- 02.2015 Colm Mulcahy (Professor of Mathematics, US): “Mathemagic with a deck of cards”
- 10.2013 Dr Daniel Porumbel (Lille, France): “Upper and Lower Bounds for Capacitated Arc Routing”