On May 23, 2025, at 14.00, at the University of Latvia (UL) Academic Center, House of Science, Faculty of Sciences and Technology, Room 105, Jelgavas Street 3, as well as online via Microsoft Teams, Insa Krēmere will defend her doctoral thesis “Orderings and Structure of Strong Rickart Rings” in an open meeting of the UL Promotion Council in the field of Mathematical Sciences. The degree sought is Doctor of Science (Ph.D.) in Natural Sciences, field: Mathematics; subfield: Algebra and Mathematical Logic.

Ph.D. supervisor: Associate Professor Dr. math. Jānis Cīrulis, University of Latvia.

Reviewers:

Leading Researcher Dr. math. Pēteris Daugulis (Daugavpils University, Latvia);

Professor Dr. math. Gregor Dolinar (University of Ljubljana, Slovenia);

Emeritus Professor Dr. math. Kalle Kaarli (University of Tartu, Estonia).

The doctoral thesis and its summary are available at the UL Library, Raiņa Boulevard 19.

We kindly ask interested participants to register for the session by May 21, 2025, by emailing: janis.bajars@lu.lv