Victoria co-authored with David Donoho, who co-authored with Charles Chui, who co-authored with Paul Erdös:

Chui and Donoho, Special issue on diffusion maps and wavelets. Applied and Computational Harmonic Analysis. 21 (2006), no. 1, 1-2.

Borosh, Chui, and Erdös, "On changes of signs in infinite series." Anal. Math. 4 (1978), no. 1, 3-12.