|  | ZHANG, Ruda | March 16, 2020: 
          More on random processes.
          [61eb144] | 
      
        |  | ZHANG, Ruda | December 30, 2018: 
          Use dollar style math markup.
          [1b7036c] | 
      
        |  | ZHANG, Ruda | September 30, 2018: 
          CSS redesign; more edits.
          [dd44d96] | 
      
        |  | Ruda Zhang | June 26, 2016: 
          one sentence per line
          [e15360a] | 
      
        |  | Ruda Zhang | June 26, 2016: 
          add category tag to wiki pages
          [a9b356c] | 
      
        |  | Ruda Zhang | June 26, 2016: 
          use canonical filename and no internal H1
          [eeca8ff] | 
      
        |  | Ruda Zhang | June 26, 2016: 
          flatten repo structure with manual /category indexing
          [6dbf2d2] |