On discreteness of spectrum of a second order differential operator
A new form of a necessary and sufficient conditions for the discreteness of the spectrum of singular operator − 1 ρ(x) (p(x)u 0 0 , −∞ ≤ a ≤ x ≤ b ≤ +∞ is obtained. A simpler proof of the necessity is obtained.
Elmentve itt :
| Szerző: | |
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| Dokumentumtípus: | Folyóirat |
| Megjelent: |
2020
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| Sorozat: | Electronic journal of qualitative theory of differential equations
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| Kulcsszavak: | Differenciálegyenlet |
| doi: | 10.14232/ejqtde.20XX.1.XX |
| Online Access: | http://acta.bibl.u-szeged.hu/70936 |
| LEADER | 00936nas a2200193 i 4500 | ||
|---|---|---|---|
| 001 | acta70936 | ||
| 005 | 20211020135206.0 | ||
| 008 | 201130s2020 hu o 0|| zxx d | ||
| 022 | |a 1417-3875 | ||
| 024 | 7 | |a 10.14232/ejqtde.20XX.1.XX |2 doi | |
| 040 | |a SZTE Egyetemi Kiadványok Repozitórium |b hun | ||
| 041 | |a zxx | ||
| 100 | 1 | |a Labovskiy Sergey M. | |
| 245 | 1 | 3 | |a On discreteness of spectrum of a second order differential operator |h [elektronikus dokumentum] / |c Labovskiy Sergey M. |
| 260 | |c 2020 | ||
| 490 | 0 | |a Electronic journal of qualitative theory of differential equations | |
| 520 | 3 | |a A new form of a necessary and sufficient conditions for the discreteness of the spectrum of singular operator − 1 ρ(x) (p(x)u 0 0 , −∞ ≤ a ≤ x ≤ b ≤ +∞ is obtained. A simpler proof of the necessity is obtained. | |
| 695 | |a Differenciálegyenlet | ||
| 856 | 4 | 0 | |u http://acta.bibl.u-szeged.hu/70936/1/ejqtde_2020_052.pdf |z Dokumentum-elérés |