Simple Deformed Witt Algebras

For any factorization domain $\cal A$ and an algebra endomorphism $σ$ of $\cal A$, there exists a non-associative algebra $({\cal A},σ,[\cdot,\cdot])$ with multiplication satisfying skew-symmetry and generalized (twisted) Jacobi identities, called a $σ$-deformed Witt algebra. In this paper, we obtain the necessary and sufficient conditions for the algebra $({\cal A},σ,[\cdot,\cdot])$ to be simple.

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