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		| Paper: | 
		Coevolution of Dark Matter Halos and Black Holes | 
	 
	
		| Volume: | 
		379, Cosmic Frontiers | 
	 
	
		| Page: | 
		273 | 
	 
	
		| Authors: | 
		Babic, A.; Miller, L.; Percival, W.; Croom, S. | 
	 
	
	
		| Abstract: | 
		We investigate a model of the coevolution of black holes and dark matter halos. The evolution of dark matter halos is based on the Press-Schechter theory. Assuming a simple relation between dark matter halos and supermassive black holes enables us to reproduce both the observed evolving hard X-ray luminosity function and the X-ray background. | 
	 
	
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