Radially symmetric spiral flows of the compressible Euler-Poisson system for semiconductors. (English) Zbl 1527.35419
MSC:
35Q81
35Q31
35Q60
76L05
76J20
76H05
76N10
78A35
82D37
35L60
35B06
35B36
35B40
35B65
35A01
35A02
47H10