- Figure: The Ising probability 
		and the walker probability. The walker algorithm provide 
		a uniform probability for 2 states. First we choose
		randomly the "box" (0) or (1). Then using an Alias
		we can get the + or - state.  More ...
		
  
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		-  Figure: comparison of the autocorrelation time for various algorithms 
				for the two dimensional ferromagnetic square lattices (2c), L=10
			
  The critical temperatures are shown by the squares 
			
			- AW4=Alias Walker for 4 spins
			
 - AWH4=Alias Walker Hasting for 4 spins
			
 - DHB=Direct Heat-Bath
			
 - Me  =Metropolis
			
 - Me d = Restricted Metropolis
			
  
		  
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		-  Figure: comparison of the time of simulation for various algorithms 
				for the two dimensional ferromagnetic square lattices (2c), L=10
			
  The critical temperatures are shown by the squares 
			
			- AW4=Alias Walker for 4 spins
			
 - AWH4=Alias Walker Hasting for 4 spins
			
 - DHB=Direct Heat-Bath
			
 - Me  =Metropolis
			
 - Me d = Restricted Metropolis
			
  
		  
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		-  Figure: comparison of the rate of simulation for various algorithms 
				for the ferromagnetic square lattices (2c), L=10
			
  The critical temperatures are shown by the squares 
			
			- DHB=Direct Heat-Bath
			
 - AW4=Alias Walker for 4 spins
			
 - AWH4=Alias Walker Hasting for 4 spins
			
 - Me  =Metropolis
			
 - Me d = Restricted Metropolis
			
  
		  
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