- 
                  Home
              
- 
                  Upcoming Events
              
- 
                  Sophie Spirkl: A counterexample to a conjecture about triangle-free induced subgraphs of graphs with large chromatic number
              
 
        
  
        
          
                                                                      
  
          
      
    Sophie Spirkl: A counterexample to a conjecture about triangle-free induced subgraphs of graphs with large chromatic number