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pro vyhledávání: '"徐佳芸"'
Autor:
Chia-yun Hsu, 徐佳芸
103
For an $S_n$-matrix with a circular disc as its numerical range, we want to know whether its rank-$k$ numerical range is also a circular disc. We show that, for an $S_5$-matrix $A$ with real spectrum and circular numerical range, if its asso
For an $S_n$-matrix with a circular disc as its numerical range, we want to know whether its rank-$k$ numerical range is also a circular disc. We show that, for an $S_5$-matrix $A$ with real spectrum and circular numerical range, if its asso
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/943c3n
