ד"ר אופיר שנבל

ד"ר אופיר שנבל

Dr. Ofir Schnabel

ד"ר אופיר שנבל
Department
Mathematics
Current Position
Lecturer
Contact Information
Email
ofirsch@braude.ac.il
Education
Ph.D.

Mathematics, University of Haifa, 2014. Advisor: Yuval Ginosar. Thesis: Gradings of complex algebras, groups of central type, the intrinsic fundamental group and semi-invariant matrices.

M.Sc.

Mathematics, Summa Cum Laude, University of Haifa, 2010. Advisor: Yuval Ginosar. Thesis: exact covering systems and their generalizations.

Academic Appointments
October 2017- October 2018: Post-doctoral researcher in mathematics in the Technion- Israel institute of technology.

January 2017- October 2017:
Post-doctoral researcher in mathematics in the University of Haifa.
October 2014- December 2016: Post-doctoral researcher in mathematics in the University of Stuttgart.
Teaching Experience
2017-2018: Technion, Lecturer: Algebra A and Algebra 1M.

2010-2014University of Haifa, Lecturer: Analytic Geometry, Linear algebra B, Discrete mathematics, Calculus B for Information Systems.

2006-2010University of Haifa, Teaching assistant: Modern algebra, Discrete mathematics, Linear algebra B, Linear algebra A.

Publications
Refereed Papers
1.Prime factorization conditions providing multiplicities in coset partitions of groups, with Y. Ginosar, Journal of Combinatorics and Number Theory 3 (2011), no.2, 75-86.
2.Semi-invariant matrices over finite groups, with Y.Ginosar, Algebras and Representation Theory 17 (2014), no.1, 199-212.
3.A graph-theoretic approach for comparing dimensions of components in simply-graded algebras, with Y. Ginosar, Discrete Mathematics 338 (2015), no. 1, 59-63.
4.On the reducibility of exact covering systems, Integers 15 (2015), A34, 8 pp.
5.Simple twisted group algebras of dimension p^4 and their semi-centers, Communications in Algebra 44 (2016), no. 12, 5395-5425.
6.On weak equivalences of gradings, with A. Gordienko, Journal of Algebra 501 (2018), 435-457.
7.Categories and weak equivalences of graded algebras, with A. Gordienko, accepted for publication in Algebra Colloquium (see https://arxiv.org/pdf/1805.04073.pdf).
8.Groups of central type, maximal connected gradings and intrinsic fundamental groups of complex semisimple algebras, with Y. Ginosar, accepted for publication in Transactions of the AMS (see http://arxiv.org/pdf/1602.06694.pdf).
9.Twisted group ring isomorphism problem, with L. Margolis, accepted for publication in The Quarterly Journal of Mathematics (see http://arxiv.org/pdf/1611.00499.pdf).
10.The Herzog-Schonheim Conjecture for small groups and harmonic subgroups, with L. Margolis, accepted for publication in Contributions to Algebra and Geometry (see https://arxiv.org/pdf/1803.03569.pdf).