Pseudomodes for Biharmonic Operators with Complex Potentials

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F23%3A00372671" target="_blank" >RIV/68407700:21340/23:00372671 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1137/22M1470682" target="_blank" >https://doi.org/10.1137/22M1470682</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1137/22M1470682" target="_blank" >10.1137/22M1470682</a>

Result language
angličtina
Original language name
Pseudomodes for Biharmonic Operators with Complex Potentials
Original language description
This article is devoted to the construction of pseudomodes of one-dimensional biharmonic operators with complex-valued potentials via the WKB method. As a by-product, the shape of pseudospectrum near infinity can be described. This is a newly discovered systematic method that goes beyond the standard semiclassical setting which is a direct consequence. This approach can cover a wide class of previously inaccessible potentials, from logarithmic to superexponential ones.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10101 - Pure mathematics

Project
<a href="/en/project/GX20-17749X" target="_blank" >GX20-17749X: New challenges for spectral theory: geometry, advanced materials and complex fields</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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