Our proof exploits the limited smoothness of the symbol of the multicommutator via a new multilinear multiplier theorem for symbols of restricted smoothness which lie locally in certain Sobolev spaces.

‘She has her frisette gummed to her forehead, instead of hanging soft and free.’

Since the mid-twentieth century, the exchange of Orders has become less personal and more formal and diplomatic. http://www.royal.gov.uk/output/page4872.asp

He did not relish the apparition of that Katherine, for when it appeared it seemed to bring with it a brother shadow that wore ragged clothes and tangled hair and foul linen; that drank from any flagon and drabbed with any doxy; that slept in tavern angles through hours of drunkenness; a thing whose fingers pillaged, filched and pilfered when and where they could; a creature that once he saw whenever he stared into a mirror.