𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Radial Fuik Spectrum of the Laplace Operator

✍ Scribed by M. Arias; J. Campos


Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
346 KB
Volume
190
Category
Article
ISSN
0022-247X

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


The Commutant of the Laplace Operator in
✍ Werner J. Ricker πŸ“‚ Article πŸ“… 1990 πŸ› John Wiley and Sons 🌐 English βš– 477 KB

## Abstract Let __L__ = ‐ __d__^2^/__dx__^2^ be the Laplace operator in __L^p^__(R), 1<__p__ < ∞. It is shown that a bounded operator __T__ in __L^p^__(R) commutes with __L__, in the sense that the domain __D__ of __L__ is __T__‐invariant and __TLf__ = __LTf__ for each __f__ in __D__, if and only i

The Spectrum of a Hyperbolic Evolution O
✍ J. Cooper; H. Koch πŸ“‚ Article πŸ“… 1995 πŸ› Elsevier Science 🌐 English βš– 923 KB

We study the time \(T\)-map \(U\) which maps initial data \(\left(u_{0}, u_{1}\right)\) to the solution and its derivative \(\left(u(T), u_{d}(T)\right)\) of the homogeneous wave equation in a domain with time \(T\)-periodic boundary. The spectrum of \(U\) and the type of the spectrum are completely

Accumulation of Discrete Eigenvalues of
✍ Marcel Griesemer; Joseph Lutgen πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 148 KB

For bounded potentials which behave like &cx &# at infinity we investigate whether discrete eigenvalues of the radial Dirac operator H } accumulate at +1 or not. It is well known that #=2 is the critical exponent. We show that c=1Γ‚8+ }(}+1)Γ‚2 is the critical coupling constant in the case #=2. Our ap

On the Spectrum of Products of Operator
✍ Hermann KΓΆnig πŸ“‚ Article πŸ“… 1979 πŸ› John Wiley and Sons 🌐 English βš– 511 KB

## On the Spectrum of Products of Operator Ideals By HERMANN KONIG \*) of Bonn (Eingegangen am 10. 3.1978) The eigenvalues of absolutely p-summing ( 2 ~p -=-) and type lp operators (0 <p-=-) in BANACH spaces are p-th power summable. I n this note, we deal with operators which can be factored as p