Yu, Ching-Chau. <br/><br/>
Nonlinear Eigenvalues and Analytic-Hypoellipticity. 

 - 1st ed. 
 - 1 online resource (106 pages) 
 - Memoirs of the American Mathematical Society ;  v.134 .
 - Memoirs of the American Mathematical Society .
<br/><br/>Intro -- Contents -- Chapter 1. Statement of the Problems and Results -- 1. Introduction -- 2. The first problem -- 3. The second problem -- Chapter 2. Sums of Squares of Vector Fields on R[sup(3)] -- 1. An auxiliary ODE and the parabolic cylinder equation -- 2. Asymptotics of solutions -- 3. Monotonicity and integrability conditions -- 4. Existence and the proofs of asymptotics of solutions -- 5. Asymptotic matching and the proof of theorem 1 -- Chapter 3. Sums of Squares of Vector Fields on R[sup(5)] -- 1. Some remarks regarding Qδ -- 2. An auxiliary ODE and Airy's equation -- 3. Asymptotics of a solution near ∞ -- 4. Asymptotics of solutions near 0 -- 5. Asymptotic matching -- Bibliography. 
<br/><br/><label>ISBN: </label>9781470402259 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Partial differential operators.<br/>Eigenvalues.<br/>Differential equations, Hypoelliptic.<br/>Asymptotic expansions.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QA329.42 -- .Y8 1998eb 
<br/><br/><label>Dewey Class. No.: </label>510 s;515/.7242