Abstract
We investigate a class of truncated path algebras in which the Betti numbers of a simple module satisfy a polynomial of arbitrarily large degree. We produce truncated path algebras where the i-th Betti number of a simple module S is βi(S) = ik for 2 ≤ k ≤ 4 and provide a result of the existence of algebras where βi(S) is a polynomial of degree 4 or less with nonnegative integer coefficients. In particular, we prove that this class of truncated path algebras produces Betti numbers corresponding to any polynomial in a certain family.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 919-940 |
| Number of pages | 22 |
| Journal | Involve |
| Volume | 12 |
| Issue number | 6 |
| DOIs | |
| State | Published - 2019 |
Bibliographical note
Publisher Copyright:© 2019, Mathematical Sciences Publishers. All rights reserved.
Keywords
- Betti number
- finite-dimensional algebra
- path algebra
- quiver