challenges
		
			-  mathematics (geometry, complex analysis, ...)
			
 -  numerics (stability, convergence, ...)
			
 -  computer science (implementation, efficiency, ...)
		
 
	
	
	
	analytic continuation: circle intersection
	
	
	
	
	
	
	
	 iOrnament post processing
	
	
	iOrnament
	    
		    -  create ornaments on your iPad/iPhone
		
 -  connects mathematical beauty with art
	    
 
	    
		
	
	
	iOrnament examples
	Spektrum der Wissenschaft competition