%0 Journal Article %T Boundedness and applications of singular integrals and square functions: a survey %A Steve Hofmann %A Alan McIntosh %J Bulletin of Mathematical Sciences %@ 1664-3615 %D 2011 %I Springer %R 10.1007/s13373-011-0014-3 %X We present a survey of certain aspects of the theory of singular integrals and square functions, with emphasis on L 2 boundedness criteria and recent applications in partial differential equations. %K Primary 42B20 %K 42B25 %K Secondary 35J25 %K 35J55 %K 47F05 %K 47B44 %U http://link.springer.com/article/10.1007/s13373-011-0014-3