Personal profile
Research interests
Galois Cohomology, Arithmetic of Fields
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Cohomology and the combinatorics of words for Magnus formations
Efrat, I., 1 Jan 2024, In: New York Journal of Mathematics. 30, p. 1177-1195 19 p.Research output: Contribution to journal › Article › peer-review
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Linking invariants for valuations and orderings on fields
Efrat, I., 1 Dec 2024, In: Research in Mathematical Sciences. 11, 4, 64.Research output: Contribution to journal › Article › peer-review
Open Access -
The symbol length for elementary type pro-p groups and Massey products
Efrat, I., 1 Sep 2024, In: Journal of Algebra. 653, p. 298-324 27 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
The kernel generating condition and absolute Galois groups
Efrat, I., 1 Nov 2023, In: Israel Journal of Mathematics. 257, 1, p. 217-250 34 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
THE p-ZASSENHAUS FILTRATION of A FREE PROFINITE GROUP and SHUFFLE RELATIONS
Efrat, I., 29 Mar 2023, In: Journal of the Institute of Mathematics of Jussieu. 22, 2, p. 961-983 23 p.Research output: Contribution to journal › Article › peer-review
Open Access2 Scopus citations -
Cohomology and the Combinatorics of Words for Magnus Formations
Efrat, I., 24 May 2022.Research output: Working paper/Preprint › Preprint
Open Access21 Downloads (Pure) -
Generalized Steinberg relations
Efrat, I., 1 Dec 2022, In: Research in Number Theory. 8, 4, 92.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
The kernel generating condition and absolute Galois groups
Efrat, I., 30 Jun 2021.Research output: Working paper/Preprint › Preprint
29 Downloads (Pure) -
3-fold Massey products in Galois cohomology -The non-prime case
Efrat, I., 18 Oct 2020.Research output: Working paper/Preprint › Preprint
36 Downloads (Pure) -
The lower p-central series of a free profinite group and the Shuffle algebra
Efrat, I., 1 Jun 2020, In: Journal of Pure and Applied Algebra. 224, 6, 106260.Research output: Contribution to journal › Article › peer-review
Open Access5 Scopus citations
Projects
- 4 Finished
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Higher order operations in profinite cohomology and absolute Galois groups
Efrat, I. (PI)
1/01/13 → 1/01/17
Project: Research
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The descending central sequence for absolute Galois groups
Efrat, I. (PI)
1/01/09 → 31/12/11
Project: Research
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Group theoretic methods in the Study of Algebraic Varieties
Bernstein, J. J. (PI), Rowen, L. (CoPI), Teicher, M. (CoPI), Soifer, G. G. (CoPI), Margolis, S. S. (CoPI) & Efrat, I. (CoPI)
1/01/05 → 31/12/05
Project: Research