Cubitt, Toby S <br/><br/>
Undecidability of the spectral gap.  [electronic resource] 

 -  Nature  Dec 2015 
 - 207-11 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1476-4687 
<br/><br/><label>Standard No.: </label>10.1038/nature16059  doi