单调女 发表于 2025-3-26 23:04:08
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Magda-Viola Hanke,Henryk Flachowskytangent bicharacteristics and no transition. In the last section we make some remarks on the Cauchy problem for . with transition of spectral type under the assumption of no tangent bicharacteristics.虚情假意 发表于 2025-3-27 12:19:40
Tangent Bicharacteristics and Ill-Posedness,tangent bicharacteristics and no transition. In the last section we make some remarks on the Cauchy problem for . with transition of spectral type under the assumption of no tangent bicharacteristics.Alveolar-Bone 发表于 2025-3-27 16:28:52
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Non-effectively Hyperbolic Characteristics,prove that if . is of spectral type 1 on . then . always admits a local elementary factorization. On the other hand if . is of spectral type 2 even micolocal elementary factorization is not always possible. When . is of spectral type 2 near . we prove that . admits a “nice” microlocal factorizationmagenta 发表于 2025-3-28 01:57:54
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Microlocal Energy Estimates and Well-Posedness,proved microlocal energy estimates, the usual next procedure would be to obtain “local” energy estimates by partition of unity. Then one must get rid of the errors caused by the partition of unity. Sometimes it happens that the microlocal energy estimates is too weak to control such errors. In this发牢骚 发表于 2025-3-28 07:16:55
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