赵 达 = 趙 達 = Da Zhao

---

Home || Papers || Talks || Problems

---

Design Theory

• On symmetric BIBDs with the same 3-concurrence, joint with Zongchen Chen
  Designs, Codes and Cryptography, 2016.

Submitted

• Half of an antipodal spherical design, joint with Eiichi Bannai, Lin Zhu, Yan Zhu, Yinfeng Zhu.
  
• Spherical embeddings of symmetric association schemes in 3-dimensional Euclidean space, joint with Eiichi Bannai.
  

In preparation

• Minimal weighted BIBD, joint with Zongchen Chen.
  
• Optimal arrangement in Euclidean space, joint with Zongchen Chen.
  
• Classification of primitive Q-polynomial association scheme with $m_1 = 4$, joint with Eiichi Bannai, Attila Sali.
  
• Shortest cyclic generator sequence of a finite group.
  

---