Linear Algebra and its Applications Contents Volume 199 Leon Jay Gleser (West Lafayette, Indiana), Michael D. Perlman (Seattle, Washington), S. James Press (Riverside, California), and Allan R. Sampson (Pittsburgh, Pennsylvania) A Brief Biography and Appreciation of Ingram Olkin 1 T. Ando (Sapporo, Japan) Majorizations and Inequalities in Matrix Theory 17 Y. L. Tong (Atlanta, Georgia) Some Recent Developments on Majorization Inequalities in Probability and Statistics 69 Karl Mosler (Hamburg, Germany) Majorization in Economic Disparity Measures 91 James V. Bondar (Ottawa, Ontario, Canada) Comments on and Complements to: Inequalities: Theory of Majorization and Its Applications, by Albert W. Marshall and Ingram Olkin 115 Hector F. Miranda and Robert C. Thompson (Santa Barbara, California) Group Majorization, the Convex Hulls of Sets of Matrices and the Diagonal Element - Singular Value Inequalities 131 Khakim D. Ikramov (Waterloo, Ontario, Canada) A Simple Proof of the Generalized Schur Inequality 143 Steen A. Andersson (Bloomington, Indiana) and Michael D. Perlman (Seattle, Washington) A Characterization of Matrix Groups That Act Transitively on the Cone of Positive Definite Matrices 151 Markus Abt (Augsburg, Germany) A Note on the Product Correlation Rule 171 Srinivasa R. Arikati and Uri N. Peled (Chicago, Illinois) Degree Sequences and Majorization 179 Berthold Heiligers (Augsburg, Germany) Totally Nonnegative Moment Matrices 213 J. Ferrer, Ma I. Garcia, and F. Puerta (Barcelona, Spain) Differentiable Families of Subspaces 229 M*Ua Asuncion Beitia and Juan M. Gracia (Vitoria-Gasteiz, Spain) Local Behavior of Sylvester Matrix Equations Related to Block Similarity 253 R. B. Bapat and Subhash C. Kochar (New Delhi, India) On Likelihood-Ratio Ordering of Order Statistics 281 B. Mond and J. E. Pecaric (Bundoora, Victoria, Australia) Inequalities Involving Powers of Generalized Inverses 293 Jianming Miao and Adi Ben-Israel (New Brunswick, New Jersey) On IP-Approximate Solutions of Linear Equations 305 S. W. Drury (Montreal, Quebec, Canada) A Bound for the Determinant of Certain Hadamard Products and for the Determinant of the Sum of Two Normal Matrices 329 Ingo Althofer (Bielefeld, Germany) On Sparse Approximations to Randomized Strategies and Convex Combinations 339 H. K. Wimmer (Wurzburg, Germany) Roth's Theorems for Matrix Equations With Symmetry Constraints 357 M. Knott and C. S. Smith (London, England) On a Generalization of Cyclic Monotonicity and Distances Among Random Vectors 363 Alan Hoffman (Yorktown Heights, New York) and Uriel G. Rothblum (Haifa, Israel) A Proof of the Convexity of the Range of a Nonatomic Vector Measure Using Linear Inequalities 373 Russell Merris (Hayward, California) Degree Maximal Graphs Are Laplacian Integral 381 S. W. Drury (Montreal, Quebec, Canada) On a Theorem of Wielandt and the Compounds of Unitary Matrices 391 Xiao-Li Meng (Chicago, Illinois) and Donald B. Rubin (Cambridge, Massachusetts) On the Global and Componentwise Rates of Convergence of the EM Algorithm 413 Rafael Bru, Juana Cerdan, and Ana M. Urbano (Valencia, Spain) An Algorithm for the Multiinput Pole Assignment Problem 427 Author Index 445 Special Issues in Progress 1. Special Issue Honoring Marvin Marcus; special editors are Bryan E. Cain, Moshe Goldberg, Robert Grone, and Nicholas J. Higham. To appear as Volume 201, April 1, 1994. 2. Linear Systems and Control, Third Special Issue; special editors are A. C. Antoulas, P. A. Fuhrmann, M. L. J. Hautus, and Y. Yamamoto. Submission deadline: November 30, 1992. To appear as Volumes 203/204/205, May/June/July 1, 1994. 3. Special Issue Honoring Chandler Davis; special editors are Rajendra Bhatia, Shmuel Friedland, and Peter Rosenthal. Submission deadline: March 31, 1993. To appear as Volume 206, July 15, 1994. 4. Proceedings of the Third Conference of the International Linear Algebra Society at Pensacola; special editors are Dianne P. O'Leary, Leiba Rodman, and Helene Shapiro. Submission deadline: June 30, 1993. Details provided with the conference announcement. 5. Proceedings of the conference ``Matrices and Graphs'' in honor of John Maybee's 65th birthday, held at Boulder, Colorado, May 7, 8, 1993. Special editors: C. R. Johnson and J. R. Lundgren. Submission deadline: August 31, 1993. Details provided with the conference announcement. 6. Fourth Special Issue on Linear Algebra and Statistics; special editors are Jeffrey J. Hunter, Simo Puntanen, and George P. H. Styan. Submission deadline: June 30, 1993. Details in Volume 177, December 1992. 7. Proceedings of the workshop ``Nonnegative Matrices, Applications and Generalizations'' and the Eighth Haifa Matrix Theory conference held at Haifa, Israel, May 31-June 4 and June 7-June 10, 1993, respectively. Special editors: S. Friedland, D. Hershkowitz, and R. Loewy. Submission deadline: September 15, 1993. Details provided with the conference announcement. 8. Special Issue Honoring Miroslav Fiedler and Vlastimil Ptak; special editors are Wayne Barrett, Angelika Bunse-Gerstner, and Nicholas Young. Submission deadline: August 31, 1993. Details in Volume 179. 9. Proceedings of the Fourth Conference of the International Linear Algebra Society at Rotterdam; special editors are Harm Bart, Ludwig Elsner, and Andre Ran. Submission deadline November 30, 1994. Details provided with the conference announcement. 10. Special Issue Honoring J. J. Seidel: special editors are Aart Blokhuis, Willem H. Haemers, and Alan J. Hoffman. Submission deadline: August 30, 1994. Details in Volume 193, November 1, 1993. Special issues are available to individuals at a reduced rate. For further information, please contact Yusuf Guvenc, Journals Customer Service, Elsevier Science Inc., 655 Avenue of the Americas, New York, NY 10010; Tel. 212-633-3955; Fax 212-633-3990. Special Issues Vol. 199