Matrix Norms and their Applications

ยท
ยท Operator Theory: Advances and Applications ืกืคืจ 36 ยท Birkhรคuser
ืกืคืจ ื“ื™ื’ื™ื˜ืœื™
210
ื“ืคื™ื
ื”ื‘ื™ืงื•ืจื•ืช ื•ื”ื“ื™ืจื•ื’ื™ื ืœื ืžืื•ืžืชื™ืย ืžื™ื“ืข ื ื•ืกืฃ

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CHAPTER 1 - OPERATORS IN FINITE-DIMENSIONAL NORMED SPACES 1 ยงl. Norms of vectors, linear functionals, and linear operators. 1 ยง 2. Survey of spectral theory 14 ยง 3. Spectral radius . 17 ยง 4. One-parameter groups and semigroups of operators. 25 Appendix. Conditioning in general computational problems 28 CHAPTER 2 - SPECTRAL PROPERTIES OF CONTRACTIONS 33 ยงl. Contractive operators and isometries. 33 ยง2. Stability theorems. 46 ยง3. One-parameter semigroups of contractions and groups of isometries. 48 ยง 4. The boundary spectrum of extremal contractions. 52 ยง5. Extreme points of the unit ball in the space of operators. 64 ยง6. Critical exponents. 66 ยง7. The apparatus of functions on graphs. 72 ยง8. Combinatorial and spectral properties of t -contractions . 81 00 ยง9. Combinatorial and spectral properties of 96 nonnegative matrices. ยง10. Finite Markov chains. 102 ยงll. Nonnegative projectors. 108 VI CHAPTER 3 - OPERATOR NORMS . 113 ยงl. Ring norms on the algebra of operators in E 113 ยง2. Characterization of operator norms. 126 ยง3. Operator minorants. . . . . . 133 ยง4. Suprema of families of operator norms 141 ยง5. Ring cross-norms . . 150 ยง6. Orthogonally-invariant norms. 152 CHAPTER 4 - STUDY OF THE ORDER STRUCTURE ON THE SET OF RING NORMS . 157 ยงl. Maximal chains of ring norms. 157 ยง2. Generalized ring norms. 160 ยง3. The lattice of subalgebras of the algebra End(E) 166 ยง 4 โ€ข Characterization of automorphisms 179 201 Brief Comments on the Literature 205 References . .

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