LEWISTON – Jennifer J. Quinn, executive director of the Association for Women in Mathematics, will present two lectures at Bates College on Friday, Nov. 10.

At 4 p.m., she will give a talk titled “Synchronicity: Alternating Sums, Determinants, Continued Fractions and More.”

At 7:30 p.m., in the college’s annual Richard W. Sampson Lecture, her subject is “Fabulous Fibonacci Numbers.”

Sponsored by the mathematics department, both talks are open to the public at no cost. They will take place in the Keck Classroom (G52), Pettengill Hall, 4 Andrews Road. For more information, call the college concierge at 207-786-6255.

The annual Richard W. Sampson Lecture at Bates honors the memory of Sampson, professor emeritus of mathematics, known for inspiring his students through his passionate and creative teaching.