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My name is Iordan

I am Research & Development Engineer at Gamestream in Nancy, France. I hold a Ph.D. in Computer Science (more specifically Computational Geometry) from the University of Lorraine. For three years, I was member of the research team GAMBLE, and I had the privilege to work with Monique Teillaud on the subject Delaunay triangulations of a family of symmetric hyperbolic surfaces in practice. The algorithm we proposed is implemented in C++ and is open source, inspired by and based on CGAL; the resulting code has been integrated into the library. I participated in the ASTONISHING associate team and in the SoS ANR project.

Before going to France, I got a Master's degree in Applied and Computational Mathematics from the University of Crete, Greece, as well as a Bachelor's degree in Applied Mathematics from the same institution.

A few things about me
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About me
-- have a look at my cv --
My full name is Iordan Marinov Iordanov (Йордан Маринов Йорданов in Cyrillic). I was born in Stara Zagora, Bulgaria (that's here) on 20 September 1986, so I am years old. I grew up in a small village called Yulievo (here).

In 2000 I moved to Greece, to the beautiful island of Crete. I went to high school in Chania, and in 2005 I entered the Applied Mathematics Department of the University of Crete in Heraklion. I was surprised to know that I had the highest entry degree that year.

Due to personal reasons, I interrupted my studies in 2007 and headed to Italy, where I worked for a couple of years at Erbamea. While acting as warehouse manager and responsible for quality testing, I had the chance to work with amazing people in a truly unique environment.

Aiming to conclude my studies, in 2009 I moved back to Greece. In parallel with studying, I worked for the software company Nanosoft, where I focused mainly on developing client-server applications for Windows and Windows CE devices, and I also had my first experience with applications for Android devices. In 2013, I graduated from the University of Crete.

As soon as I got my degree, I went back to Italy where I worked as software developer for the company 01S. There I got familiar with relational programming using the IDE Instant Developer, with which I implemented a system to handle cadastral data acquired from multiple sources. I was then tasked with re-implementing the national-level calculations engine for the Italian 730 tax declaration form.

In 2014, I decided to head back to Greece for a Master's degree in Applied and Computational Mathematics from the University of Crete. When I was accepted into the program, I was also fortunate and persistent enough to get a Research Assistant position at IACM-FORTH, where I had the chance to work on an extremely interesting project with a very talented and passionate postdoctoral researcher. Our collaboration led to my very first scientific publication. At the end of 2015, I obtained my Master's degree.

Right after that, at the beginning of 2016, I moved to Nancy, France, and I started working on my Ph.D. thesis under the guidance of Monique Teillaud. After many travels, collaborations, and experiences, I successfully defended my Ph.D. thesis on 12 March 2019.

Since January 2019, I have been working as Research and Development Engineer at the Nancy division of Gamestream.
A list of my publications
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Publications in conferences and journals
4.
Matthijs Ebbens, Iordan Iordanov, Monique Teillaud, and Gert Vegter. Systole of regular hyperbolic surfaces with an application to Delaunay triangulations. In 9th International Conference on Curves and Surfaces, Arcachon, France, June 2018.
URL: https://hal.inria.fr/hal-01803443.
3.
Matthijs Ebbens, Iordan Iordanov, Monique Teillaud, and Gert Vegter. Delaunay triangulations of regular hyperbolic surfaces. In 9th International Conference on Curves and Surfaces, Arcachon, France, June 2018.
URL: https://hal.inria.fr/hal-01801136.
2.
Iordan Iordanov and Monique Teillaud. Implementing Delaunay triangulations of the Bolza surface. In Proceedings of the Thirty-third International Symposium on Computational Geometry, pages 44:1–44:15, 2017. doi: 10.4230/LIPIcs.SoCG.2017.44.
URL: https://hal.inria.fr/hal-01411415.
1.
Eleni Metaxa, Iordan Iordanov, Emmanuel Maravelakis and Yannis Papaharilaou. A novel approach for local abdominal aortic aneurysm growth quantification. Medical & Biological Engineering & Computing, 2016. doi: 10.1007/s11517-016-1592-8.
Theses
A list of past and future events
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The ones where I spoke
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9th International Conference on Curves and Surfaces (CS 2018)
Palais des Congrès, Arcachon, France, June 28 -- July 4, 2018
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CGAL Developers Meeting
INRIA - LORIA, Nancy, France, March 13 -- 16, 2018
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Journées de Géométrie Algorithmique (JGA 2017)
Centre Paul Langevin, Aussois, France, December 10 -- 15, 2017
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Astonishing Workshop
INRIA - LORIA, Nancy, France, September 25 -- 26, 2017
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33rd International Symposium on Computational Geometry (SoCG 2017)
The University of Queensland, Brisbane, Australia, July 4 -- 7, 2017
The ones where I collaborated
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CGAL Developers meeting
INRIA, Sophia Antipolis, France, September 3 -- 7, 2018
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Visit to Gert Vegter
Johann Bernoulli Institute for Mathematics and Computer Science, University of Groningen, The Netherlands, April 9 -- 20, 2018
Partially supported by the University of Groningen and by the ASTONISHING associate team
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Visit to Gert Vegter
Johann Bernoulli Institute for Mathematics and Computer Science, University of Groningen, The Netherlands, January 15 -- 26, 2018
Partially supported by the University of Groningen and by the ASTONISHING associate team
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Visit to Jean-Marc Schlenker
UR en mathèmatiques, University of Luxembourg, Luxembourg, March 29 -- 31, 2017
Partially supported by the University of Luxembourg and the ASTONISHING associate team
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Visit to Gert Vegter
Johann Bernoulli Institute for Mathematics and Computer Science, University of Groningen, The Netherlands, September 19 -- 23, 2016
Partially supported by the University of Groningen and by the ASTONISHING associate team
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Extended visit to Jean-Marc Schlenker
Mathematics Research Unit, University of Luxembourg, Luxembourg, June 1 -– 30, 2016
Partially supported by the University of Luxembourg and the ASTONISHING associate team
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Visit to Jean-Marc Schlenker
Mathematics Research Unit, University of Luxembourg, Luxembourg, February 18, 2016
Partially supported by the University of Luxembourg and the ASTONISHING associate team
The ones where I listened
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SoS kickoff meeting
INRIA - LORIA, Nancy, France, May 3 -- 4, 2018
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Geometry and Topology in Contemporary Material Science
The Niels Bohr Institute, Copenhagen, Denmark, September 3 -- 9, 2017
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Workshop: Algorithms for the Medial Axis
The University of Queensland, Brisbane, Australia, July 7, 2017
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Workshop on Practical Methods for Solving Computational Geometry Problems
University of Queensland, Brisbane, Australia, July 6, 2017
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Workshop: Geometric Aspects of Materials Science
University of Queensland, Brisbane, Australia, July 4 -- 5, 2017
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Graphs and Surfaces: Algorithms, Combinatorics and Topology
CIRM, Marseille, France, May 9 –- 13, 2016
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Wave propagation in complex media and applications
ACMAC, Heraklion, Greece, May 7 –- 11, 2012
A few things that I find intriguing
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Conway's Game of Life on the torus -- my own implementation
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The Evolution of Trust -- Game Theory shown in a very nice interactive animation
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Hyperbolic tilings of images -- tile the hyperbolic plane with your face!
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Bézier curves in the hyperbolic plane -- De Casteljau's algorithm in GeoGebra
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Some YouTube videos related to topology and geometry
Möbius Transformations Revealed -- a simple and illustrative explanation
From an octagon to a genus 2 surface -- one of the two possible constructions
The Klein Quartic -- the most symmetric genus-3 surface
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Virtual Reality in hyperbolic space, by Vi Hart, Andrea Hawksley, Elisabetta Matsumoto, and Henry Segerman
3D hyperbolic space [paper] -- W,A,S,D or arrows to navigate; E,Q to rotate
product of 2D hyperbolic space and 1D Euclidean space [paper]
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NonEuclid -- explore the Poincaré disk model of the hyperbolic plane
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GeometryGames -- play TicTacToe on the torus, make your own tilings, and much more
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The Home of Mathematical Knitting -- for that non-orientable scarf you've always wanted
A few ways to come in contact
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Reference
Iordan Iordanov
PhD Candidate, Team GAMBLE
Building B - Office 172
(+33) 03 54 95 85 15
Mailing address
LORIA - UMR 7503
Campus scientifique, BP 239
54506 Vandoeuvre-lès-Nancy Cedex
France
GPS address
INRIA Nancy - Grand Est
615, rue du Jardin Botanique
54500 Villers-lès-Nancy
France

You can also send me an email, or find me on LinkedIn, GitHub and Google Play Store. Follow the links at the bottom.