| John Franks | 
                  | 
              
              
                | 
			Area Preserving Homeomorphisms of Open 
Surfaces of Genus Zero | 
                1  | 
              
		 | 
		 
              
                
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                | Dan Abramovich and José Felipe Voloch | 
                  | 
              
              
                | 
			Lang's Conjectures, Fibered Powers, and Uniformity | 
                20  | 
              
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  | 
                
              
                | Yorck Sommerhäuser | 
                  | 
              
              
                | 
			Deformed Enveloping Algebras | 
                35  | 
              
		 | 
		 
              
                
  | 
                
              
                | Doron Zeilberger | 
                  | 
              
              
                | 
	Proof of the Refined Alternating Sign Matrix Conjecture | 
                59  | 
              
		 | 
		 
              
                
  | 
                
              
                | Rodrigo P. Gomez | 
                  | 
              
              
                | 
			An Integrable Flow  on a Family of Hilbert Grassmannians | 
                69  | 
              
		 | 
		 
              
                
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                | Lindsay N. Childs | 
                  | 
              
              
                | 
	Hopf Galois Structures on Degree p2 Cyclic Extensions of Local Fields | 
                86  | 
              
		 | 
		 
              
                
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                | Rogier Brussee | 
                  | 
              
              
                | 
			The  Canonical Class and the  C∞ Properties of Kähler Surfaces | 
                103  | 
              
		 |