1. Barry, P., Hennessy, A.: Riordan arrays and the LDU decomposition of symmetric Toeplitz plus Hankel matrices. Linear Algebra Appl. 437(6), 1380–1393 (2012)
2. Barry, P.: On the group of almost-Riordan arrays (2016). arXiv:1606.05077v1 [math.CO]
3. Barry, P.: Chebyshev moments and Riordan involutions (2019). arXiv:1912.11845v1 [math.CO]
4. Barry, P., Hennessy, A., Pantelidis, N.: Algebraic properties of Riordan subgroups. J. Algebraic Combin. (2020). https://doi.org/10.1007/s10801-020-00953-4
5. Barry, P., Hennessy, A., Pantelidis, N.: Quasi-involutions of the Riordan group, Unpublished manuscript, Waterford Institute of Technology, Waterford (2020)