At the invitation of the School of Mathematics and Statistics of Lanzhou University, Professor Edmond W. H. Lee from Nova Southeastern University of Florida inUSAwill visit the School of Mathematics and Statistics from July 27, 2019 to August 8, 2019. And he will give a series of academic lectures during the period.

Title I: Involution Semigroups I：Equational Properties

Location: Lecture Room 503, Guanyun Building

Time: Tuesday, July 30, 2019, 3:00 pm

Title II: Involution Semigroups II：Lattices of Varieties

Location: Lecture Room 503, Guanyun Building

Time: Wednesday, July 31, 2019, 3:00 pm

Title III: Varieties of Semigroups I

Location: Lecture Room 503, Guanyun Building

Time: Monday, August 5, 2019, 3:00 pm

Title IV: Varieties of Semigroups II

Location: Lecture Room 503, Guanyun Building

Time: Tuesday, August 6, 2019, 3:00 pm

All teachers and students are welcome to attend.

GansuKey Laboratory of Applied Mathematics and Complex Systems

School of Mathematics and Statistics

Cuiying Honors College

July 28, 2019