add links to personal pages

index.md

@@ -15,48 +15,48 @@ Chengdu, China</h1>
 
 # PC Members
 
-Bakh Khoussainov – Chair (UESTC, China)
+[Bakh Khoussainov](https://bakh-tcs.github.io/) – Chair (UESTC, China)
 
 **Computability theory:**
 
-- Yue Yang - session chair, (National University of Singapore)
+- [Yue Yang](https://discovery.nus.edu.sg/463-yue-yang) - session chair, (National University of Singapore)
-- Alexander Melnikov (University of Victoria Wellington, New Zealand)
+- [Alexander Melnikov](https://homepages.ecs.vuw.ac.nz/~melnikal/) (University of Victoria Wellington, New Zealand)
 - Nadim Kassymov (National University of Uzbekistan)
-- Wei Wang (San Yat Sen University, China)
+- Wei Wang (Sun Yat-Sen University, China)
-- Sergey Goncharov (Novosibirsk State University, Russia)
+- [Sergey Goncharov](http://www.math.nsc.ru/LBRT/logic/persons/gonchar/win.html) (Novosibirsk State University, Russia)
 
 **Set theory:**
 
-- Su Gao - session chair,  (Nankai University, China)
+- [Su Gao](https://my.nankai.edu.cn/sms/gs_en/list.htm) - session chair,  (Nankai University, China)
-- Slawomir Solecki (Cornell University, USA)
+- [Slawomir Solecki](https://math.cornell.edu/slawomir-solecki) (Cornell University, USA)
 - Jialiang He (Sichuan University, China)
 
 **Proof theory and philosophy of mathematics:**
 
-- Fenrong Liu – session chair, (Tsinghua University)
+- [Fenrong Liu](https://www.fenrong.net/) – session chair, (Tsinghua University)
-- Hitoshi Omori (Tohoku University, Japan)
+- [Hitoshi Omori](https://sites.google.com/site/hitoshiomori/home) (Tohoku University, Japan)
-- Heinrich Wanshing (Ruhr University Bochum, Germany; Tohoku University, Japan)
+- [Heinrich Wansing](https://sites.google.com/view/heinrichwansing) (Ruhr University Bochum, Germany; Tohoku University, Japan)
 
 **Model theory:**
 
-- Rizos Sklinos – session chair, (CAS, Beijing, China)
+- [Rizos Sklinos](https://sites.google.com/view/sklinoshome/) – session chair, (CAS, Beijing, China)
-- Jinhe Ye (Nanjing University, China)
+- [Jinhe Ye](https://sites.google.com/view/vincentye) (Nanjing University, China)
-- Artem Chernikov (University of Maryland, USA)
+- [Artem Chernikov](https://chernikov.umd.edu/) (University of Maryland, USA)
-- Dugald Macpherson (Leeds University, UK)
+- [Dugald Macpherson](https://eps.leeds.ac.uk/maths/staff/4056/professor-dugald-macpherson) (Leeds University, UK)
-- Sergey Goncharov (Novisibirsk State University, Russia)
+- [Sergey Goncharov](http://www.math.nsc.ru/LBRT/logic/persons/gonchar/win.html) (Novosibirsk State University, Russia)
 
 
 **Logic in computer science:**
 
-- Yuxi Fu – session chair, (Shanghai Jiatong University, China)
+- [Yuxi Fu](https://basics.sjtu.edu.cn/~yuxi/) – session chair, (Shanghai Jiatong University, China)
-- Frank Stephan (National University of Singapore)
+- [Frank Stephan](https://www.comp.nus.edu.sg/~fstephan/) (National University of Singapore)
-- Markus Lohrey (Siegen University, Germany)
+- [Markus Lohrey](https://www.eti.uni-siegen.de/ti/mitarbeiter/lohrey/) (Siegen University, Germany)
 
 **Organizing committee**
 
-- Mingyu Xiao - chair (UESTC, China)
+- [Mingyu Xiao](https://sites.google.com/site/myxiao) - chair (UESTC, China)
 - Yu Cong (web design, PhD student)
-- Zihui Liang (PhD student)
+- [Zihui Liang](https://zihuiliang.github.io/) (PhD student)
 - Yifan Jia (PhD student)
 - Xinyao Wang (PhD student)
 - Ting Gou (admin secretary)