## Illinois Journal of Mathematics

### Idempotent subquotients of symmetric quasi-hereditary algebras

#### Abstract

We show how any finite-dimensional algebra can be realized as an idempotent subquotient of some symmetric quasi-hereditary algebra. In the special case of rigid symmetric algebras, we show that they can be realized as centralizer subalgebras of symmetric quasi-hereditary algebras. We also show that the infinite-dimensional symmetric quasi-hereditary algebras we construct admit quasi-hereditary structures with respect to two opposite orders, that they have strong exact Borel and Δ-subalgebras and the corresponding triangular decompositions.

#### Article information

Source
Illinois J. Math. Volume 53, Number 3 (2009), 737-756.

Dates
First available in Project Euclid: 4 October 2010

https://projecteuclid.org/euclid.ijm/1286212913

Mathematical Reviews number (MathSciNet)
MR2727352

Zentralblatt MATH identifier
1227.16013

#### Citation

Mazorchuk, Volodymyr; Miemietz, Vanessa. Idempotent subquotients of symmetric quasi-hereditary algebras. Illinois J. Math. 53 (2009), no. 3, 737--756.https://projecteuclid.org/euclid.ijm/1286212913

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