Seminars and Talks 15:00 - 17:00, December 20, 2022 (Tuesday) broadcast in Room 505, Cosmology Bldg., NTU, Online seminar Calabi-Yau Threefolds with $c_2$-contractions-revisited Conferences, Workshops and Special Events December 19 - 23, 2022 NCTS Conference on Fractional Integrals and Related Phenomena in Analysis