博碩士論文 90221009 詳細資訊

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(Elliptic Numerical Range of 4x4 matirces)

 ★ 數值域邊界上之線段 ★ 正規壓縮算子與正規延拓算子 ★ 加權排列矩陣及加權位移矩陣之數值域 ★ 可分解友矩陣之數值域 ★ 可分解友矩陣之研究 ★ 關於巴氏空間上連續函數的近乎收斂性 ★ 三角不等式與Jensen不等式之精化 ★ 缺陷指數為1的矩陣之研究 ★ A-Statistical Convergence of Korovkin Type Approximation ★ I-Convergence of Korovkin Type Approximation Theorems for Unbounded Functions ★ 四階方陣的高秩數值域 ★ 位移算子其有限維壓縮算子的反矩陣 ★ 2×2方塊矩陣的數值域 ★ 加權位移矩陣的探討與廣義三角不等式的優化 ★ 喬登方塊和矩陣的張量積之數值域半徑 ★ 3×3矩陣乘積之數值域及數值域半徑

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elliptic numerical range. We will express the conditions in terms of the eigenvalues and entries of A. These characterizations will be useful to construct a 4x4 matrix with an elliptic numerical range.

★ 數值域

★ numerical range

2.Preliminaries.................................................1
2.1 Basic Properties of Numerical Range.......................1
2.2 Kippenhahn Curve..........................................3
3.2x2 and 3x3 Matrices..........................................6
4.4x4 Matrices..................................................9
References...................................................31

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