Regularity of functions smooth along foliations, and elliptic regularity
نویسندگان
چکیده
منابع مشابه
Critical Regularity of Invariant Foliations
:D AEDF .=G . The spectrum H $ I(KJEL of its complexification is called the Mather spectrum [M]. Anosov showed that and , called the unstable and stable bundles, are Hölder continuous. One an give lower bounds for attainable values of the Hölder exponent in terms of contraction and expansion rates of ! . Optimal estimates and reasons for wanting them are given in [H2, HW]. They are not exceeded...
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Theorem 1. Let M be a compact manifold, E and F be two (smooth) vector bundles over M , and P : C∞(M ;E) → C∞(M ;F ) be a differential operator (with smooth coefficients) of order n. Assume that P is elliptic, in the sense defined in the next section. Then: 1. The operator P (or rather its relevant extension) is Fredholm W n 2 (M ;E)→ L(M ;F ). Here W n 2 is a Sobolev space (introduced below). ...
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ژورنال
عنوان ژورنال: Journal of Functional Analysis
سال: 2005
ISSN: 0022-1236
DOI: 10.1016/j.jfa.2005.03.018