02458nam 2200601 450 991048086750332120180613001300.01-4704-0225-4(CKB)3360000000464820(EBL)3114366(SSID)ssj0000889098(PQKBManifestationID)11549041(PQKBTitleCode)TC0000889098(PQKBWorkID)10875525(PQKB)11527361(MiAaPQ)EBC3114366(PPN)195415205(EXLCZ)99336000000046482019980402h19981998 uy| 0engur|n|---|||||txtccrNonlinear eigenvalues and analytic-hypoellipticity /Ching-Chau YuProvidence, Rhode Island :American Mathematical Society,[1998]©19981 online resource (106 p.)Memoirs of the American Mathematical Society,0065-9266 ;number 636"July 1998, volume 134, number 636 (second of 6 numbers)."0-8218-0784-6 Includes bibliographical references.""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 QÎ?""Memoirs of the American Mathematical Society ;no. 636.Partial differential operatorsEigenvaluesDifferential equations, HypoellipticAsymptotic expansionsElectronic books.Partial differential operators.Eigenvalues.Differential equations, Hypoelliptic.Asymptotic expansions.510 s515/.7242Yu Ching-Chau1966-909852MiAaPQMiAaPQMiAaPQBOOK9910480867503321Nonlinear eigenvalues and analytic-hypoellipticity2035995UNINA