{"product_id":"9789811625305","title":"Perturbation Theory for Linear Operators : Denseness and Bases with Applications","description":"\u003cp\u003eThis book discusses the important aspects of spectral theory, in particular, the completeness of generalised eigenvectors, Riesz bases, semigroup theory, families of analytic operators, and Gribov operator acting in the Bargmann space.\u003c\/p\u003e","brand":"Springer Verlag, Singapore","offers":[{"title":"Default Title","offer_id":49222140985571,"sku":"00000_00000_00000_00000","price":179.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/usa.kinokuniya.com\/products\/9789811625305","provider":"Books Kinokuniya USA","version":"1.0","type":"link"}