[Turkmath:7326] Fwd: [ODTU-MATH: 5733] General seminar 6.11.2025

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-------- Özgün İleti --------
Konu: [ODTU-MATH: 5733] General seminar 6.11.2025
Tarih: 2025-11-03 11:43
Gönderen: zheltukh at metu.edu.tr
Alıcı: odtu-math at metu.edu.tr
Kopya: slawomir.rams at uj.edu.pl

  Dear all,

    You are cordially invited to this week Mathematical Department
    General Seminar.

   Speaker:  Sławomir Rams, Jagiellonian University, Poland

   Title: Asymptotic behaviour of maximal configurations of rational  
curves on K3-surfaces

   Abstract:  One of unexpected consequences of the orbibundle  
Miyaoka-Yau-Sakai inequality is a bound
on the maximal number of rational degree-d curves on smooth complex  
K3-surfaces of given degree
obtained by Miyaoka in 2009.  After recalling the necessary notions,  in 
my talk I will present various results concerning
the question whether the above bound is sharp for  rational (resp.  
smooth rational) curves on K3-surfaces
of high degree. Based on joint work with M. Schuett (Hannover) and A.  
Degtyarev (Ankara).



    Date:  November 6, 2025

    Time: 15:40

    Place: Gündüz Ikeda Seminar Room


  On behalf of research committee,
  Kostyantyn Zheltukhin



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