Polygon Matching and Indexing Under Affine Transformations - Edgar Chávez; Ana C. Chávez-Cáliz; Jorge L. López-López (CoRR, 2013)

Affine invariants of generalized polygons and matching under affine transformations. - Edgar Chávez; Ana C. Chávez-Cáliz; Jorge L. López-López (Comput. Geom., 2016)

Moon in a Puddle and the Four-Vertex Theorem. - Anton Petrunin; Sergio Zamora Barrera; Ana Cristina Chávez Cáliz (Am. Math. Mon., 2022)