Research Output per year

## Fingerprint Dive into the research topics where Ehud Meir Ben Efraim is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

- 5 Similar Profiles

Hopf Algebra
Mathematics

Semisimple
Mathematics

Cocycle
Mathematics

Group Algebra
Mathematics

Ring
Mathematics

Invariant
Mathematics

Geometric Invariant Theory
Mathematics

Twist
Mathematics

##
Network
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## Research Output 2014 2019

- 18 Citations
- 9 Article

### Hopf cocycle deformations and invariant theory

Meir, E., 13 May 2019, In : Mathematische Zeitschrift.Research output: Contribution to journal › Article

Open Access

Invariant Theory

Deformation Theory

Cocycle

Group Algebra

Hopf Algebra

### Non-existence of Hopf orders for a twist of the alternating and symmetric groups

Cuadra, J. & Meir, E., Aug 2019, In : Journal of the London Mathematical Society. 100, 1, p. 137-158 22 p.Research output: Contribution to journal › Article

Open Access

File

Alternating group

Hopf Algebra

Symmetric group

Twist

Nonexistence

### A variant of Harish-Chandra functors

Crisp, T., Meir, E. & Onn, U., 14 Aug 2017, In : Journal of the Institute of Mathematics of Jussieu. 57 p.Research output: Contribution to journal › Article

Open Access

File

Functor

Subgroup

Restriction

Proof by induction

Reductive Group

### Orders of Nikshych's Hopf algebra

Cuadra, J. & Meir, E., Sep 2017, In : Journal of Noncommutative Geometry. 11, 3, p. 919-955 37 p.Research output: Contribution to journal › Article

Open Access

File

Hopf Algebra

Number field

Ring

Cyclotomic Fields

Primitive Roots

### Semisimple Hopf algebras via geometric invariant theory

Meir, E., 30 Apr 2017, In : Advances in Mathematics. 311, p. 61-90 30 p.Research output: Contribution to journal › Article

Open Access

File

Geometric Invariant Theory

Hopf Algebra

Semisimple

Invariant

Nondegeneracy