Talk

  • The 9th SEAMS-UGM International Conference on Mathematics and Its Applications, July 25-28, 2023
  • Knowledge Sharing Session SGMDA Universiti Malaysia Terengganu, August 4, 2022
  • Algebra Joint Seminar KPA Wilayah Jateng DIY 22 Juli 2021
  • Kolokium Aljabar Dep. Matematika FMIPA UGM ,19 Februari 2022
  • Kuliah Umum Aljabar Seri 3 Ruang Vektor atas Lapangan 13 Maret 2021
  • Kuliah Umum Teori Ring dan Aplikasinya 14 November 2020
  • Kolokium Departemen Matematika FMIPA UGM, 21 Desember 2017
  • Seminar Pendamping Lomba Matematika Nasional ke-28 HIMATIKA UGM “Kemilau Prestasi Bangsa dalam Harmoni Matematika”, 12 November 2017
  • Seminar Nasional dan Penelitian Aljabar KPA (National Seminar and Workshop on Algebra Research) – ITB Bandung – 3 November 2017 : title of talk : “Elemen Reguler dan Elemen Idempoten Beberapa Semigrup Operasi n-Ary”
  • Workshop “Research on Algebra” – Algebra Research Group, Dept. of Mathematics UGM  – UC UGM – September 9th, 2017 : title of talk: “Kekuatan Total Tak Reguler Sisi pada Beberapa Kelas Graf”
  • Algebra Joint Seminar, Universitas Ahmad Dahlan (UAD) Yogyakarta, May 15, 2017 : title of talk “Semigroup of Operations”
  • Doktoranden Tag, Mathematik Institut Universitaet Potsdam, January 18, 2012 : title of talk : “Semigroup of n-ary Operations on Finite Sets”