{"product_id":"9781461391388","title":"Microlocal Analysis and Nonlinear Waves (The Ima Volumes in Mathematics and Its Applications) (Reprint)","description":"\u003cp\u003eIf P( t, x, Dt,x) is a strictly hyperbolic operator or system then the singular support of f gives an upper bound for the singular support of u (Courant-Lax, Lax, Ludwig), namely singsupp u C the union of forward rays passing through the singular support of f.\u003c\/p\u003e","brand":"Springer Verlag","offers":[{"title":"Default Title","offer_id":48931124805867,"sku":"00000_00000_00000_00000","price":201.41,"currency_code":"SGD","in_stock":true}],"url":"https:\/\/kinokuniya.com.sg\/products\/9781461391388","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}