Dr. Ofir Schnabel

Refereed Papers

1. Corrigendum to "Twisted group ring isomorphism problem", Y. Ginosar, L. Margolis and O. Schnabel, The Quarterly Journal of Mathematics, 76 (2025), no.2, 465–468.
2. Units of twisted group rings and their correlations to classical group rings, G. Janssens, E. Jespers and O. Schnabel. Advances in Mathematics, 458 (B) (2024), 81 pages
3. Quotient gradings and the intrinsic fundamental group, Y. Ginosar and O. Schnabel, Journal of Algebra 639 (2024), 532-573.
4. The twisted group ring isomorphism problem and infinite cohomology groups, L. Margolis and O. Schnabel, Pure and applied algebra 227 (2023).
5. Corrigendum to "The twisted group ring isomorphism problem over fields", L. Margolis and O. Schnabel, Israel Journal of Mathematics 242 (2021), 997–1000.
6. The twisted group ring isomorphism problem over fields, L. Margolis and O. Schnabel, Israel Journal of Mathematics 238 (2020), 209–242.
7. Categories and weak equivalences of graded algebras, A. Gordienko and O. Schnabel, Algebra Colloquium 26 (2019), no.4, 643-664.
8. A new approach to the Fraenkel Conjecture for low n values, O. Schnabel and J. Simpson, Integers 19 (2019), paper no. A43, 10 pages.
9. The Herzog-Schonheim Conjecture for small groups and harmonic subgroups, L. Margolis and O. Schnabel, Contributions to Algebra and Geometry 60 (2019), no. 3, 399–418.
10. Groups of central type, maximal connected gradings and intrinsic fundamental groups of complex semisimple algebras, Y. Ginosar and O. Schnabel, Transactions of the American Mathematical Society 371 (2019), no. 9, 6125-6168.
11. Twisted group ring isomorphism problem, L. Margolis and O. Schnabel, The Quarterly Journal of Mathematics, 69 (2018), no. 4, 1195-1219.
12. On weak equivalences of gradings, A. Gordienko and O. Schnabel, Journal of Algebra 501 (2018), 435-457.
13. Simple twisted group algebras of dimension p^4 and their semi-centers, O. Schnabel, Communications in Algebra 44 (2016), no. 12, 5395-5425.
14. On the reducibility of exact covering systems, O. Schnabel, Integers 15 (2015), A34, 8 pages.
15. A graph-theoretic approach for comparing dimensions of components in simply-graded algebras, Y. Ginosar and O. Schnabel, Discrete Mathematics 338 (2015), no. 1, 59-63.
16. Semi-invariant matrices over finite groups, Y.Ginosar and O. Schnabel, Algebras and Representation Theory 17 (2014), no.1, 199-212.
17. Prime factorization conditions providing multiplicities in coset partitions of groups, Y. Ginosar and O. Schnabel, Journal of Combinatorics and Number Theory 3 (2011), no.2, 75-86.