Curriculum Vitae

Contact information

Email	symmetric (you know which symbol to insert here) n-ary dot fi
Website	http://n-ary.fi
Phone	available on request
Address	Department of Mathematics Khalifa University P.O. Box 127788 Abu Dhabi United Arab Emirates
Digital identifiers	MR Author ID:  792761 zbMATH Author ID: lehtonen.erkko Scopus Author ID: 15065560400 ORCID: 0000-0002-9255-5876 ResearcherID: I-3591-2014 Ciência ID: 691A-7A0D-F3E5 Google Scholar: [link]

Academic degrees and titles

2019	Doctor of Philosophy (doktori (PhD) fokozat) University of Debrecen research field: mathematics and computer sciences note: degree obtained through nostrification
2018	Habilitation (Doctor rerum naturalium habilitatus) Technische Universität Dresden research field: mathematics thesis: Reconstruction of functions from minors mentor: Prof. Manuel Bodirsky
2007	Doctor of Science (tekniikan tohtori) [MGP] Tampere University of Technology major subject: mathematics thesis: Operations on finite sets, functional composition, and ordered sets advisor: Prof. Stephan Foldes opponent: Prof. Klaus Denecke (University of Potsdam)
1998	Master of Science (diplomi-insinööri) Tampere University of Technology major subject: engineering mathematics thesis: End-to-end data security solutions with GPRS advisor: Prof. Keijo Ruohonen

Linguistic skills

Finnish (native) English (fluent) French (proficient) German (intermediate) Swedish (intermediate) Portuguese (basic) Estonian (beginner) Luxembourgish (beginner)

Positions

8/2022 – present	assistant professor (أستاذ مساعد جامعي) Department of Mathematics Khalifa University P.O. Box 127788, Abu Dhabi, United Arab Emirates
10/2019–8/2022	researcher with doctorate (investigador doutorado) (9/2020–8/2022) postdoctoral fellow (bolseiro pós-doutoramento) (10/2019–8/2020) Centre for Mathematics and Applications (CMA) Universidade Nova de Lisboa Quinta da Torre, 2829-516 Caparica, Portugal
9/2015–9/2019	research fellow and lecturer (wissenschaftlicher Mitarbeiter) Institute of Algebra Technische Universität Dresden Zellescher Weg 12–14, 01062 Dresden, Germany
1/2014–8/2015	assistant researcher (investigador auxiliar) Centre of Algebra (CAUL), Center for Computational and Stochastic Mathematics (CEMAT) Universidade de Lisboa Avenida Professor Gama Pinto 2, 1649-003 Lisboa, Portugal
1/2009–12/2013	post-doc (assistant-chercheur) Computer Science and Communications Research Unit Université du Luxembourg 6, rue Richard Coudenhove-Kalergi, L-1359 Luxembourg, Luxembourg
7/2007–12/2008	visiting researcher Department of Combinatorics and Optimization, Department of Pure Mathematics University of Waterloo 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada
7/2000–12/2008	research assistant (assistentti) (7/2004–12/2008, on leave 7/2007–12/2008) researcher (tutkija) (7/2000–6/2004) part-time teacher (sivutoiminen tun­ti­opet­ta­ja) (periodically) Institute of Mathematics Tampere University of Technology Korkeakoulunkatu 1, 33720 Tampere, Finland

Research funding and grants

2012	accompanying measure AM3 for organization of scientific conferences in Luxembourg 9 500 €, Fonds National de la Recherche Luxembourg (FNR)
2007	grant for researcher training and research abroad 32 550 €, Academy of Finland

Research outcomes

	Total number of publications
	articles in peer-reviewed scientific journals: 61 articles in conference proceedings: 19 theses: 3
	Most cited publications
	Bibliographic databases, such as MathSciNet, zbMATH, Scopus, or Web of Science (may require subscription), provide citation metrics on my publications.
	Excluding self-citations of all co-authors, my ten most cited publications are the following. M. Couceiro, E. Lehtonen, Galois theory for sets of operations closed under permutation, cylindrification, and composition, Algebra Universalis 67 (2012) 273–297. [DOI] 19 citations E. Lehtonen, Labeled posets are universal, European J. Combin. 29 (2008) 493–506. [DOI] 11 citations M. Couceiro, S. Foldes, E. Lehtonen, Composition of Post classes and normal forms of Boolean functions, Discrete Math. 306 (2006) 3223–3243. [DOI] 8 citations L. Kwuida, E. Lehtonen, On the homomorphism order of labeled posets, Order 28 (2011) 251–265. [DOI] 7 citations M. Couceiro, E. Lehtonen, T. Waldhauser, A survey on the arity gap, 41st IEEE International Symposium on Multiple-Valued Logic (ISMVL 2011), IEEE Computer Society, Los Alamitos, 2011, pp. 277–281, ISBN: 978-0-7695-4405-2. [DOI] 7 citations E. Lehtonen, Descending chains and antichains of the unary, linear, and monotone subfunction relations, Order 23 (2006) 129–142. [DOI] 6 citations E. Lehtonen, Permutation groups arising from pattern involvement, J. Algebraic Combin. 52 (2020) 251–298. [DOI] 5 citations E. Lehtonen, Closed classes of functions, generalized constraints, and clusters, Algebra Universalis 63 (2010) 203–234. [DOI] 5 citations E. Lehtonen, R. Pöschel, Permutation groups, pattern involvement, and Galois connections, Acta Sci. Math. (Szeged) 83 (2017) 355–375. [DOI] 4 citations E. Lehtonen, R. Pöschel, T. Waldhauser, Reflection-closed varieties of multisorted algebras and minor identities, Algebra Universalis 79 (2018) Art. 70, 22 pp. [DOI] 4 citations

Supervision of theses

2017–2018	Technische Universität Dresden main supervisor for 3 bachelor’s theses
2007	Tampere University of Technology secondary supervisor for 1 master’s thesis

Teaching experience

	See also the complete list of courses taught.
2022 – present	Khalifa University I have taught the courses Discrete Mathematics and Modern Algebra.
2015–2019	Technische Universität Dresden I was the sole responsible for the courses Order structures, Functions and relations, and Introduction to universal algebra. I also lectured the course Algebra and number theory for mathematics education students. I held tutorials in the courses Algebra for information systems technology and Linear algebra for computer science.
2011–2013	Université du Luxembourg I held tutorials for Discrete mathematics and led a mathematical writing seminar for doctoral students.
2009–2011	Tampere University of Technology, University of Tampere, Université Paris-Dauphine As a guest lecturer, I taught (in collaboration with Miguel Couceiro and Catarina Carvalho) the intensive courses Boolean functions and function algebras and Introduction to clone theory and applications to constraint satisfaction problems.
2000–2007	Tampere University of Technology I worked as a course assistant in numerous courses in mathematics, teaching a broad range of topics in particular in algebra and discrete mathematics. In 2007, I lectured the course Mathematics for algorithms.

Awards and prizes

2018	joint recipient (with Tamás Waldhauser) of the Outstanding Contributed Paper Award for a paper presented at the IEEE 47th International Symposium on Multiple-Valued Logic (ISMVL 2017) IEEE Computer Society

Service as dissertation pre-examiner or opponent, memberships in dissertation committees

2020	Sebastian Kreinecker Johannes Kepler University Linz, Austria thesis: Closed sets of functions on algebras of prime power order role: second examiner supervisor: Prof. Erhard Aichinger
2020	Stefano Fioravanti Johannes Kepler University Linz, Austria thesis: Clones, clonoids, and Malʹcev conditions role: second examiner supervisor: Prof. Erhard Aichinger
2018	Alexander Jende University of Potsdam, Germany thesis: On the characterization of particular orthogroups by disjunctions of identities role: preliminary examiner and member of dissertation committee supervisor: Dr. Jörg Koppitz
2015	Oleg Košik University of Tartu, Estonia thesis: Categorical equivalence in algebra role: preliminary examiner and opponent supervisor: Prof. Kalle Kaarli
2010	Young Jo Kwak University of Colorado at Boulder, USA thesis: Automorphisms of some combinatorially defined Lie algebras over GF(2) role: external member of dissertation committee supervisor: Prof. Keith A. Kearnes

Editorial board memberships

2018–	Discussiones Mathematicae – General Algebra and Applications member of editorial board
2020–	Discrete Mathematics & Theoretical Computer Science guest editor for a special issue in honour of Professor Maurice Pouzet

Referee and reviewer activities

	10 reviews for Mathematical Reviews (MathSciNet)
	94 papers refereed for the following journals: ACM Transactions on Computational Logic Acta Mathematica Hungarica Aequationes Mathematicae Afrika Matematika Algebra Universalis Annals of Mathematics and Artificial Intelligence Asian-European Journal of Mathematics Australasian Journal of Combinatorics Beiträge zur Algebra und Geometrie Boletín de la Sociedad Matemática Mexicana, Tercera Serie Central European Journal of Mathematics Communications in Algebra Discrete Applied Mathematics Discrete Mathematics Discussiones Mathematicae – General Algebra and Applications Electronic Journal of Combinatorics European Journal of Combinatorics European Journal of Mathematics Fuzzy Sets and Systems Graphs and Combinatorics Information Sciences International Journal of Foundations of Computer Science Iranian Journal of Mathematical Sciences and Informatics Journal of Algebraic Combinatorics Journal of Combinatorial Theory, Series A Journal of Mathematical Analysis and Applications Journal of Multiple-Valued Logic and Soft Computing Journal of the Australian Mathematical Society Kyungpook Mathematical Journal Matematički Vesnik Miskolc Mathematical Notes Open Mathematics Order Results in Mathematics Sarajevo Journal of Mathematics Semigroup Forum Tbilisi Mathematical Journal Thai Journal of Mathematics Theoretical Computer Science Записки научных семинаров ПОМИ
	30 papers refereed for the following conferences: Algebras, Graphs and Ordered Sets (ALGOS 2020) The 8th International Conference on Concept Lattices and Their Applications (CLA 2011) International Symposium on Multiple-Valued Logic (ISMVL 2008, ISMVL 2010, ISMVL 2012, ISMVL 2013, ISMVL 2014, ISMVL 2015, ISMVL 2016, ISMVL 2017, ISMVL 2018, ISMVL 2019, ISMVL 2020, ISMVL 2021, ISMVL 2023, ISMVL 2024) 36th Annual ACM/IEEE Symposium on Logic in Computer Science (LICS 2021) 42nd International Symposium on Mathematical Foundations of Computer Science (MFCS17)

Organization of conferences

	Organizing committees
2019	98th Workshop on General Algebra (AAA98) Dresden, 21–23 June 2019
2013	85th Workshop on General Algebra (AAA85) Luxembourg, 31 Jan. – 2 Feb. 2013
2011	DMA Colloquium on general algebra Luxembourg, 16 June 2011
2007	74th Workshop on General Algebra (AAA74) Tampere, 7–10 June 2007
	Scientific and programme committees
2024	54th International Symposium on Multiple-Valued Logic (ISMVL 2024) Brno, Czech Republic, 28–30 May 2024
2020	Algebras, Graphs and Ordered Sets (ALGOS 2020) Nancy, 26–28 Aug. 2020