Preface |
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ix | |
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Chapter 1 Cones of Hermitian matrices and trigonometric polynomials |
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1 | (68) |
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1.1 Cones and their basic properties |
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1 | (5) |
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1.2 Cones of Hermitian matrices |
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6 | (7) |
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1.3 Cones of trigonometric polynomials |
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13 | (28) |
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1.4 Determinant and entropy maximization |
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41 | (6) |
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1.5 Semidefinite programming |
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47 | (4) |
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51 | (14) |
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65 | (4) |
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Chapter 2 Completions of positive semidefinite operator matrices |
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69 | (106) |
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2.1 Positive definite completions: the banded case |
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69 | (7) |
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2.2 Positive definite completions: the chordal case |
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76 | (7) |
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2.3 Positive definite completions: the Toeplitz case |
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83 | (15) |
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2.4 The Schur complement and Fejer-Riesz factorization |
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98 | (17) |
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115 | (9) |
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2.6 The central completion, maximum entropy, and inheritance principle |
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124 | (14) |
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2.7 The Hamburger Moment Problem and Spectral Factorization on the real line |
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138 | (18) |
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156 | (1) |
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157 | (13) |
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170 | (5) |
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Chapter 3 Multivariate moments and sums of Hermitian squares |
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175 | (82) |
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3.1 Positive Caratheodory Interpolation on the Polydisk |
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176 | (11) |
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3.2 Inverses of multivariable Toeplitz matrices and Christoffel-Darboux formulas |
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187 | (11) |
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3.3 Two-variable moment problem for Bernstein-Szego measures |
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198 | (10) |
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3.4 FejeAr-Riesz factorization and sums of Hermitian squares |
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208 | (3) |
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3.5 Completion problems for positive semidefinite functions on amenable groups |
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211 | (3) |
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3.6 Moment problems on free groups |
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214 | (9) |
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3.7 Noncommutative factorization |
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223 | (5) |
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3.8 Two-variable Hamburger moment problem |
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228 | (7) |
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3.9 Bochner's theorem and an application to autoreRressive stochastic processes |
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235 | (5) |
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240 | (10) |
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250 | (7) |
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Chapter 4 Contractive analogs |
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257 | (104) |
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4.1 Contractive operator-matrix completions |
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258 | (11) |
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4.2 Linearly constrained completion problems |
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269 | (6) |
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4.3 The operator-valued Nehari and Caratheodory problems |
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275 | (11) |
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4.4 Nehari's problem in two variables |
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286 | (6) |
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4.5 Nehari and Caratheodory problems for functions on compact groups |
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292 | (7) |
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4.6 The Nevanlinna-Pick problem |
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299 | (9) |
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4.7 The operator Corona problem |
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308 | (6) |
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4.8 Joint operator/Hilbert-Schmidt norm control extensions |
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314 | (3) |
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4.9 An L∞ extension problem for polynomials |
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317 | (4) |
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4.10 Superoptimal completions |
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321 | (8) |
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4.11 Superoptimal approximations of analytic functions |
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329 | (10) |
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339 | (2) |
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341 | (11) |
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352 | (9) |
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Chapter 5 Hermitian and related completion problems |
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361 | (114) |
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5.1 Hermitian completions |
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361 | (13) |
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374 | (9) |
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5.3 Minimal negative and positive signature |
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383 | (18) |
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5.4 Inertia of Hermitian matrix expressions |
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401 | (6) |
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5.5 Bounds for eigenvalues of Hermitian completions |
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407 | (6) |
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5.6 Bounds for singular values of completions of partial triangular matrices |
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413 | (5) |
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5.7 Moment problems for real measures on the unit circle |
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418 | (8) |
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5.8 Euclidean distance matrix completions |
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426 | (7) |
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433 | (9) |
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5.10 Application to minimal representation of discrete systems |
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442 | (1) |
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5.11 The separability problem in quantum information |
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443 | (8) |
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451 | (19) |
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470 | (5) |
Bibliography |
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475 | (38) |
Subject Index |
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513 | (4) |
Notation Index |
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517 | |