18 January 2007 CURRICULUM VITAE Hans Schneider Department of Mathematics University of Wisconsin-Madison 480 Lincoln Drive Madison, WI 53706 Office: Telephone: (608) 262-1402 FAX number: (608) 263-8891 Email : hans@math.wisc.edu URL : http://math.wisc.edu/~hans PERSONAL DATA: Born: 24 January 1927 in Vienna, Austria Citizenship: U.S.A Residence: U.S.A. 1959- U.K. 1939-1959 Austria 1927-1938 Marital Status: Married Home Address: 521 Samuel Drive Madison, WI 53717 Home Telephone: (608) 833-6567 EDUCATION: Ph.D. (advisor: A.C. Aitken) Edinburgh University, 1952 Thesis: Matrices with non-negative elements M.A. with First Class Honours, Edinburgh University, 1948 AREA OF SPECIALIZATION: Linear Algebra EMPLOYMENT: Academic Positions: University of Wisconsin, James Joseph Sylvester Emeritus Professor, 1993- University of Wisconsin, James Joseph Sylvester Professor, 1988-1993 University of Wisconsin, Professor of Mathematics, 1965-1988 University of Wisconsin, Associate Professor, 1961-1965 University of Wisconsin, Assistant Professor, 1959-1961 Queen's University of Belfast, Northern Ireland, Lecturer, 1954-1959 Queen's University of Belfast, Northern Ireland, Assist. Lecturer, 1952-1954 Long Term Visiting Positions: TU Chemnitz and U. Bielefeld, July - Sept 1996 Inst. Math. Appl., Minneapolis, September - November 1991 University of Bielefeld, May - June 1991 Technion, Haifa, Israel, Lady Davis Vis. Prof., Sept 1985-Jan 1986 University of Wurzburg, Visiting Professor, 1980-1981 UNICAMP, Research Visitor, Campinas, Brazil, July-August, 1980 Centre de Rech. Math., Universite de Montreal, Vis. Prof., Jan -Aug, 1977 Technical University, Munich, Vis. Prof., Summer, 1972 and Jan -Dec, 1974 University of Tubingen, Visiting Professor, Summer, 1970 University of Toronto, Visiting Professor, 1969-1970 Univ. of California-Santa Barbara, Visiting Professor, 1964-1965 Washington State University, Pullman, Visiting Professor, 1956-1957 INVITED ADDRESSES (Since 1980) Oberwolfach Lin. Alg. meeting, Nov. 2000 Plenary address, SIAM App. Lin. Alg. Conf., Oct. 2000 Rutgers Workshop on Matrix Scaling, Invited speaker, Aug 1999 Eleventh Haifa Matrix Theory Conference, Invited speaker, June 1999 Math Assoc. America, Florida Section, Invited Speaker, March 1999 Conf. on Operators, Systems and Lin. Alg, Kaiserslautern, Sept. 1997 Workshop on Stability, Lisbon, June 1997 Graduate Student Seminar, U. Manitoba, June 1997 Math Assoc. America, Illinois Section, Invited Speaker, March 1997w A.C. Aitken Centenary Conf., Dunedin NZ, August 1995, (Plenary speaker) Hong Kong Matrix Mini-Conference, June 1995 Matrix Theory Workshop, Lisbon, January 1995 4th ILAS Conference, Rotterdam, August 1994, (Mini-symposium speaker) SIAM Lin. Alg. Conference, Snowbird, June 1994 (Mini-symposium speaker) Eighth Haifa Matrix Theory Conference, Invited speaker, June 1993 Workshop on nonnegative matrices, Invited speaker, Haifa, May 1993 2nd ILAS Conf., Lisbon, Portugal, Plenary speaker, August 1992 Comput. and Graph Theor. Ling. Alg., Essen, Germany, July 1992 Inst. Math. Appl. Workshop on Comb. Matrix Theory, Minneapolis, Nov. 1991 Kalamazoo Linear Algebra Conference, October 1991 NSF/CBMS Linear Algebra Conference, Atlanta, August 1991 Santa Barbara Linear Algebra Conference, October 1990 Householder Symposium, Tylosand, June 1990 SIAM Conf. on Linear Algebra in Signals, Systems and Control, Oct. 1990 (Plenary talk) Auburn Matrix Conference, March 1990 (One hour speaker) Rotterdam Workshop on Matrix and Operator Theory, June 1989 (Plenary talk) Calgary Conference in honor of I. Gohberg, August 1988 Banquet speaker, SIAM conference on Lin. Alg., Madison, May 1988 Valencia Conference on Linear Algebra and Applications, Sept. 1987, (opening speaker) Victoria Conference on Combinatorial Matrix Theory, May 1987 (one hour speaker) Third Haifa Matrix Theory Conference, Jan. 1987 (opening speaker) Matrix Theory Conference, Auburn, March 1986 Conference on Operator Theory, Athens, Greece (two one hour talks), 1985 Baltimore Combinatorial Matrix Theory Conference (one hour talk), June 1985 A.M.S. Summer Research Conference, Bowdoin, Maine, 1984 Utah Matrix Conference, June, 1983 Oberwolfach Meeting, February, 1983 Linear Algebra Symposium, Toronto, April, 1982 Gatlinburg Meeting, Oxford, England, 1981 Bavarian Math. Colloquium, Bad Kissingen, 1981 SIAM National Meeting, Troy, New York, 1981 (invited one-hour speaker) Matrix Theory Conference, Auburn, March, 1980 (invited one-hour speaker) OTHER PROFESSIONAL ACTIVITIES: (First) President of International Linear Algebra Society, 1987-1996 Organizing Committee of Utah linear algebra (ILAS) meeting, Aug. 1989 Co-Chairman, SIAM Conference on App. Linear Algebra, Madison, 1988 Co-Chairman, SIAM Conference on App. Linear Algebra, Raleigh, 1985 (First) Chairman, SIAM Activity Group in Linear Algebra, 1982-1984 SIAM Conference on App. Lin. Algebra, Organizing Committee, 1982 Householder Prize Committee, 1977-1984 Gatlinburg Organizing Committee, 1977-1990 EDITORIAL ACTIVITIES: Advisory Editor, Elec. J. Linear Algebra, 1998- Editor-in-Chief of Linear Algebra and Its Applications, 1972-present Editor, SIAM Journal Algebraic and Discrete Methods, 1979-1987 Editor, Linear and Multilinear Algebra, 1972-1992 Editor (with B. Huppert) of H. Wielandt's collected works RESEARCH GRANTS: National Science Foundation, (Algebra Section), 1967-1999 National Science Foundation (Op. Research and Systems), 1988-1992 Office of Naval Research, 1985-1986 RESEARCH TRAVEL GRANTS: STRIDE Project, (Travel to Portugal), (with J. da Silva), 1992-1994. U.S.-Israel Binational Science Foundation (with D. Hershkowitz and U.G. Rothblum), 1991-1994. Intern. Scientific Research Program, Ministry of Education, Science and Culture, Japan, 1990-1992 U.S.-Israel Binational Science Foundation (with U.G. Rothblum), 1988-1990 U.S.-Israel Binational Science Foundation (with D. Hershkowitz), 1986-1990 Deutsche Forschungs Gemeinshaft (wth V, Mehrmann) 2002 - , (Wielandt Projekt) ADMINISTRATIVE POSITIONS: University of Wisconsin - Madison Graduate School Admin. Committee, 1977-1979 Chairman, Univ. of Wisconsin - Madison Physical Science Division Executive Committee, 1972-1973 Member, Univ. of Wisconsin - Madison Physical Science Division Executive Committee, 1970-1973 University of Wisconsin - Madison Math Department Chairman, 1966-1968 University of Wisconsin - Madison Math Department Associate Chairman, 1965-1966 HONORS AND AWARDS: James Joseph Sylvester Professorship, University Wisconsin, 1988. Dedication of the first issue of SIAM J. Matrix Analysis and Applications, 1988. SIAM runner-up prize for best paper in linear algebra published in 1986 and 1987. PUBLICATIONS 1. An inequality for latent roots of a matrix applied to determinants with dominant main diagonal. J. London Math. Soc., 28 (1953), 8-20. 2. Theorems on normal matrices, Quarterly J. Math., (2), 3, 1952, 241-249. 3. Regions of exclusion for the latent roots of a matrix. Proc. Amer. Math. Soc., 5 (1954), 320-322. 4. A pair of matrices with property P. Amer. Math. Monthly, 62 (1955), 247-249. 5. Pairs of matrices with non-zero commutator (with L. S. Goddard). Proc. Cambridge Phil. Soc., 51 (1955), 551-553. 6. The elementary divisors associated with 0 of a singular M-matrix, Proc. Edinburgh Math. Soc. (2), 10 (1956), 108-122. 7. A matrix problem concerning projections, Proc. Edinburgh Math. Soc., (2), 10 (1956), 129-130. 8. Characteristic polynomials, Canadian Math. J., 9 (1957), 60-67. 9. The group membership of a polynomial in an element algebraic over a field (with W. E. Barnes), Archiv. Math., 8 (1957), 166-168. 10. Matrix norms applied to weakly ergodic Markov chains (with J. L. Mott), Archiv. Math., 8 (1957), 331-333. 11. Note on the fundamental theorem on irreducible non-negative matrices, Proc. Edinburgh Math. Soc., 11 (1958), 127-130. 12. Matrix algebras and groups relatively bounded in norm (with J. L. Mott), Archiv. Math., 10 (1959), 1-6. 13. Hyperplanes and prime rings (with E. C. Posner), Archiv. Math., Vol. 11 (1960), 322-326. 14. Bounds for the maximal characteristic root of a non-negative irreducible matrix (with A. Ostrowski) Duke Math. J., 27 (1961), 547-553. 15. Completely simple inverse semigroups (with R. McFadden), Proc. Camb. Phil. Soc. 57 (1961), 234-236. 16. Group membership in rings and semigroups (with G. O. Losey), Pac. J. Math. 11 (1961), 1089-1098. 17. Some theorems on the inertia of general matrices (with A. Ostrowski), J. Math. Analysis and Appl. 4 (1962), 72-84. 18. Comparison theorems for supremum norms (with G. Strang), Numerische Math. 4 (1962), 15-20. 19. Inertia theorems for matrices: the semidefinite case (with D. Carlson), Bull. Amer. Math. Soc. 68 (1962), 479-483 and J. Math. Analysis and Appl. 6 (1963), 430-446. 20. Idempotents in group rings (with W. Rudin), Duke Math. J. 31 (1964), 585-602. 21. The decomposition of cones in modules over ordered rings (with M. N. Bleicher), J. Algebra 1 (1964), 233-258. 22. Matrices similar over a Zariski open set (with J. Ohm), Math. Zeitschr. 84 (1964), 373-381. 23. The Bauer field of values of a matrix (with N. Nirschl), Num. Math. 6 (1964), 353-365. 24. Recent advances in matrix theory, (Editor), Wisconsin Press (1965). 25. Positive operators and an inertia theorem, Num. Math. 7 (1965), 11-17. 26. Principle loop isotopes of quasigroups (with B. F. Bryant), Canad. J. Math. 18 (1966), 120-125. 27. Topological aspects of Sylvester's theorem on the inertia of Hermitian matrices, Amer. Math. Monthly 73 (1966), 817-821 and Sel. Pap Alg. MAA (1977), 339-343. 28. Completions of partially ordered sets and universal algebras (with M. N. Bleicher), ACTA. Math. Acad. Sci. Hungarecai, 17 (1966), 271-301. 29. The diagonal equivalence of a non-negative matrix to a stochastic matrix (with R. Brualdi and S. Parter), J. Math. Anal. and Appl. 16 (1966), 31-50. 30. Group rings, semigroup rings and their radicals (with J. Weissglass), J. of Algebra, 5 (1967), 1-15. 31. Linear Algebra and Matrices (with G.P. Barker), Holt, Rinehart and Winston, 1968, (385 pages), 2nd Ed., 1973, republished Dover, 1989. 32. The numerical range of a continuous mapping of a normed space (with F. Bonsa ll, Bryan Cain), Aequationes Math., 2 (1968), 86-93. 33. Completely O-simple semigroups: An abstract treatment of the lattice of congruences (with K. Kapp). W. A. Benjamin, Inc., 1969, (110 pages). 34. The spectrum of a non-linear operator associated with a matrix (with M. V. Menon). J. Linear Algebra and Appl. 2 (1969), 321-334. 35. Bound Norms, J. Linear Algebra and Appl., 3 (1970), 11-21. 36. Linear Mathematics (with F. Brauer and J. Nohel), W. A. Benjamin, Inc., 1970, 347 pages. 37. Cross-positive Matrices (with M. Vidyasagar). J. SIAM Num. Anal. 7 (1970), 508-519. 38. The permanence of identities on algebras (with M. N. Bleicher and R. Wilson), (MRC 1339), Alg. Univ. 3 (1973), 72-93. 39. Positive eigenvectors of order preserving maps (with R.E.L. Turner). J. Math. Anal. and Appl. 37 (1973), 506-515. 40. Matrices Hermitian with respect to an absolute norm (with R.E.L. Turner). Linear and Multilinear Algebra 1 (1973), 9-31. 41. Inequalities for determinants and permanents (with G. M. Engel). Linear and Multilinear Algebra (1973), 187-201, MRC #1288. 42. Cyclic and diagonal products on a matrix (with G. M. Engel). Linear Algebra and Appl. 7 (1973), 301-335, MRC #1292. 43. Diagonal norm-Hermitian matrices (with R.E.L. Turner). Linear Algebra and Appl. 8 (1974), 375-412, MRC #1303. 44. Positive operators on the n-dimensional ice-cream cone (with R. Loewy). J. Math. Anal. and Appl. 9 (1975), 375-412, MRC #1346. 45. Primes in the semigroup of non-negative matrices (with D. Richman), Linear Multilinear Alg. 2 (1974), 135-140. 46. Bounded groups and norm-Hermitian matrices (with E. Deutsch), Lin. Alg. and Appl. 9 (1974), 9-37, MRC #1349. 47. Diagonal similarity and diagonal equivalence for matrices over groups with 0 (with G. M. Engel), Czech. Math. J., 25(100), (1975), 387-403. 48. Algebraic Perron-Frobenius Theory (with G. P.. Barker), Lin. Alg. and Appl. 11 (1975), 219-233. 49. Indecomposable cones (with R. Loewy), Lin. Alg. and Appl. 11 (1975), 235-245. 50. The Fuglede-Putnam theorem and normal products of matrices (with E. Deutsch and P. M. Gibson), Lin. Alg. Appl. 13 (1975), 53-58. 51. On the geometry of dual pairs (with B. E. Cain and B. D. Saunders), Studies in Appl. Math. 56 (1977), 71-79. 52. The Hadamard-Fischer inequality for a class of matrices defined by eigenvalue monotonicity (with G. M. Engel), Linear and Multilinear Algebra, 4 (1976), 155-176. 53. A symmetric numerical range for matrices (with B. D. Saunders), Num. Math. 26 (1976), 99-105. 54. On the singular graph and the Weyr characteristic of an M-matrix (with D. J. Richman), Aequ. Math. 17 (1978), 208-234. 55. The concepts of irreducibility and full indecomposability of a matrix in the works of Frobenius, Knig and Markov, Lin. Alg. and Appl. 18 (1977), 139-162. 56. The Birkhoff-Egervary-K"onig Theorem for matrices over lattice ordered groups, Acta Math. Acad. Sci. Hungar, 30 (1977), 91-94. 57. Olga Taussky-Todd's influence on matrix theory and matrix theorists, Lin. Multilin. Alg. 5 (1977), 197-224. Greek transl. in Math. Epitheorisi, N. S. 18 (1980), 107-152. 58. Flows on graphs applied to diagonal similarity and diagonal equivalence for matrices (joint with B. D. Saunders), Discr. Math. 24 (1981), 205-220. 59. Cones, graphs and optimal scalings of matrices (joint with B. D. Saunders), Lin. Multilin. Alg., 8 (1979), 121-135. 60. Characterizations of optimal scalings of matrices (joint with U. G. Rothblum), Math. Progr. 19 (1980), 121-136. 61. Applications of the Gordon-Stiemke Theorem in combinatorial matrix theory (joint with B. D. Saunders), SIAM Rev., 21 (1979), 528-541. 62. Matrices diagonally similar to a symmetric matrix (with G. M. Engel), Lin. Alg. Appl., 29 (1980), 131-138. 63. The growth of powers of a non-negative matrix (with S. Friedland), SIAM J. Alg. Disc. Methods 1 (1980), 185-200. 64. Geometric conditions for the existence of positive eigenvalues of matrices, LAA 38 (1981), 253-271. 65. Characterizations of extreme normalized circulations satisfying linear constraints (with U. G. ]Rothblum), Lin. Alg. Appl. 46 (1982), 61-72. 66. Algorithms for testing the diagonal similarity of matrices and related problems (with G. M. Engel), SIAM J. Alg. Disc. Methods 3 (1982), 61-72. 67. Algebraic and topological aspects of feedback stabilization (with M. Vidyasagar and B. Francis), IEEE Trans. Aut. Contr. AC27 (1982), 880-894. 68. Analytic Functions of M-matrices and generalizations (with M. Fiedler). Lin. Multilin. Alg. 13 (1983), 185-201. 69. Controllability of matrix pairs (A,K), with K positive semi-definite, (with D. H. Carlson and B. N. Datta), SIAM J. Alg. Disc. Methods 5 (1984), 346-350. 70. A conforming decomposition theorem, a piecewise nonlinear theorem of the alternative and scalings of matrices satisfying lower and upper bounds, (with M. Golitschek and U. G. Rothblum), Math. Progr. 27 (1983) 291-306. 71. Determinantal Identities: Gauss, Schur, Cauchy, Sylvester, Kronecker, Jacobi, Binet, Laplace, Muir and Cayley, (with R. A. Brualdi), Lin. Alg. Appl. 52/53 (l983), 767-790. 71a. Determinantal Identities Revisited (with R. A. Brualdi), Lin. Alg. App l. 59 (1984), 203-207. 72. Applications of shortest path algorithms to matrix scalings (with M. Golitschek) Num. Math. 44 (1984), 111-126. 73. Theorems on M-splittings of a singular M-matrix which depend on graph structure, Lin. Alg. Appl. 58 (1984), 407-424. 74. Line-Sum-Symmetric Scalings of Square Nonnegative Matrices (with B. C. Eaves, A. Hoffman and U. G. Rothblum), Math. Progr. Studies, 25 (1985), 124-141. 75. Matrices whose powers are M-matrices or Z-matrices (with S. Friedland and D. Hershkowitz) Trans. AMS 300 (1987), 343-366. 76. Scalings of vector spaces and the uniqueness of Lyapunov scalings factors (with D. Hershkowitz). Lin. Multilin. Alg. 17 (1985), 203-226. 77. Lyapunov diagonal stability of real H-matrices (with D. Hershkowitz) Lin. Alg. Appl. 71 (1985), 119-145. 78. Semistability factors and semifactors (with D. Hershkowitz), AMS Contemporary Math Series 47 (1985), 203-216. 79. On 2k-twisted graphs (with D. Hershkowitz) European J. Combinatorics, 8 (1987), 297-302. 80. Eigenvalue interlacing for certain classes of matrices with real principal minors (with D. Hershkowitz and V. Mehrmann) Lin. Alg. Appl. 88/89 (1987), 373-402. 81. Matrices with sign symmetric diagonal shifts and scalar shifts (with D. Hershkowitz and V. Mehrmann) SIAM J. Alg. Disc. Methods 8 (1987), 108-122. 82. Matrices with a sequence of accretive powers (with D. Hershkowitz) Israel Math. J. 55 (1986), 327-344. 83. Sequences, wedges and associated sets of complex numbers (with D. Hershkowitz), Czechoslovak Math J. 38 (113) (1988), 138-156. 84. Equality classes for matrices (with D. Hershkowitz) SIAM J. Matrix Anal. Appl. 9 (1988), 1-18. 85. The influence of the marked reduced graph of a nonnegative matrix on the Jordan form and related properties: A survey, Lin. Alg. Appl. 84 (1986), 161-189. 86. On the generalized nullspace of M-matrices and Z-matrices (with D. Hershkowitz), Lin. Alg. Appl., 106 (1988), 5-23. 87. Monomial patterns in the sequence Akb (with P. G. Coxson and L. C. Larson), Lin. Alg. Apl.94 (1987), 89-101. 88. Solutions of Z-matrix equations (with D. Hershkowitz),Lin. Alg. Appl. 106 (1988), 25-38. 89. Characterizations and classification of M-matrices related to generalized nullspaces (with D. Hershkowitz and U. G. Rothblum), Lin. Alg. Appl. 109 (1988), 59-69. 90. The combinatorial structure of the generalized nullspace of a block triangular matrix (with D. Hershkowitz and U. G. Rothblum), Lin. Alg. Appl. 116 (1989), 9-26. 91. On Lyapunov scaling factors for Real Symmetric matrices (with D. Hershkowitz) Linear Multilin. Alg. 22 (1988), 373-384. 92. Additive decompositions of nonnegative matrices with applications to permanents and scaling factors (with S. Friedland and C. K. Li), Lin. Multilin. Alg. 23 (1988), 63-78. 93. Classification of nonnegative matrices using diagonal equivalence (with D. Hershkowitz and U. G. Rothblum), SIAM J. Matrix Anal. Appl. 9 (1988), 455-460. 94. Height bases, level bases, and the equality of the height and the level characteristic of an M-matrix, (joint with D. Hershkowitz), Lin. Multilin. Alg. 25 (1989), 149-171. 95. Allowable spectral permutations of ZME-matrices (with J. L. Stuart), Lin. Alg. Appl. 111 (1988), 63-124. 96a. An l_infinity balancing of a weighted directed graph (with M..H. Schneider), UW-CMS Rep. #88-29 (1988). 96b. Max-balancing weighted directed graphs (with M. H. Schneider), Math. Oper. Res. 16 (1991), 208-222. 97. Scalings of matrices which have prespecified row sums and column sums via optimisation (with U.G. Rothblum) Lin. Alg. Appl. 114/115 (1989), 737-764. 98. Combinatorial bases, derived Jordan and the equality of the height and level characteristics of an M-matrix (with D. Hershkowitz) Lin. Multilin. Alg. 29 (1991), 21-42. 99. Towers and cycle covers for max-balanced graphs (with M. H. Schneider) Congress Num. 78 (1990), 159-170. 100. On the inertia of intervals of matrices, (joint with D. Hershkowitz) SIAM J. of Matrix. Anal. 11 (1990), 565-574. 101. Characterizations of max-balanced flows (with U.G. Rothblum and M.H. Schneider) Disc. App. Math., 39 (1992), 241-261. 102. On the existence of matrices with prescribed height and level characteristics (with D. Hershkowitz) Israel Math J. 75 (1991), 105-117. 103. On the minimum number of reconfigurations in time slot assignments for time-dependent multiple-access systems (with C.K. Li) IEEE Trans. Communic. 39 (1991), 1729-1732. 104. Extensions of Jordan bases of invariant subspaces for a matrix (with R. Bru and L. Rodman) Lin. Alg. Appl. 150 (1991), 209-225. 105. Scaling matrices to prescribed row and column maxima (with U.G. Rothblum and M.H. Schneider) SIAM J. Matrix Anal. Appl. 15 (1994), 1-14. 106. On the core of a cone preserving map (with B.S. Tam) Trans. Amer. Math. Soc., 343 (1994), 479-524. 107. Principal components of M-matrices (with M.N. Neumann) Lin. Multilin. Alg. 32 (1992), 131-148. 107a.Corrections and Additions to "Principal Components of Minus M-matrices," (joint with M.N. Neumann), Lin. Multilin. Alg. 36 (1993), 147-149. 108. Path coverings of graphs and height characteristics of matrices (with D. Hershkowitz) J. Comb. Th. Ser. B ref. 59 (1993), 172-187. 109. Ranks of zero patterns and sign patterns (with D. Hershkowitz) Lin. Multilin.. Alg., 34 (1993), 3-19. 110. Algorithms for computing bases for the Perron eigenspace with prescribed nonnegativity and combinatorial properties (with M. Neumann) SIAM J. Matrix. Anal. Appl. 15 (1994), 578-591. 111. Integral bases and p-twisted digraphs (with M. Hartmann and M.H. Schneider), European J. Combinatorics 16 (1995), 357-369. 112. Spectral radii of certain iteration matrices and cycle means of graphs (with L. Elsner and D. Hershkowitz) Lin. Alg. Appl. 192 (1993), 61-91. 113. Theorems of the alternative for cones and Lyapunov regularity, (with B. Cain and D. Hershkowitz) Czech. Math. J. 47(122), (1997),467-499. 114. Resolvents of minus M-matrices and splittings of M-matrices, (with J.J. McDonald and M. Neumann) Lin. Alg. Appl. 195 (1993), 17-33. 115. Sum decompositions of symmetric matrices, (with D. Hershkowitz and J. da Silva), Lin. Alg. Appl. 208/209 (1994), 523-538. 116. Existence of matrices with prescribed off-diagonal block sums (with D. Hershkowitz and J. da Silva), Lin. Multilin. Alg. 40 (1995), 15-28. 117. Row sums and inverse row sums for nonnegative matrices (with S. Friedland, R. Hemashina, J. Stuart and J. Weaver) SIAM J. Matrix Anal. Appl., 15 (1994), 1157-1166. 118. Existence of matrices with prescribed off-diagonal block maxima (with D. Hershkowitz and J. da Silva), Lin. Alg. Appl. 212/213 (1994), 367-385. 119. Block LU decompositions of M-Matrices (with J. McDonald) Numer. Math. 80 (1998), 109 - 130. 120. Perron-Frobenius theory over real closed ordered fields and fractional power series expansions (with B.C. Eaves and U.G. Rothblum) Lin. Alg. Appl. 220 (1995), 123-150. 121. Inverse M-matrix inequalities and generalized ultrametric matrices (with J. McDonald, M. Neumann and M. Tsatsomeros) Lin. Alg. Appl.220 (1995), 321-341. 122. On the invariant faces associated with a cone preserving map (with B.S. Tam) Transactions AMS 353 (2001), 209-245. 123. A solution of a nonlinear system arising in spectral perturbation theory of nonnegative matrices (with U.G. Rothblum) Lin. Alg, Appl. 258 (1997), 53-80. 124. On the existence of matrices with prescribed partial sums of elements (with D. Hershkowitz and A. Hoffman) Lin. Alg. Appl. 265 (1997), 71-92 125. Norms and inequalities related to Schur products of rectangular matrices (with W. Huang and C.K. Li) SIAM J. Matrix. Anal. 18 (1997), 249 - 257. 126. Approximability by weighted norms of the structured and volumetric singular values of a class of nonnegative matrices, (with D. Hershkowitz, W. Huang, and H. Weinberger) SIAM J. Matrix Anal. 18 (1997), 249-257 127. Minimization of norms and the spectral radius of a nonnegative matrix under diagonal equivalence (with D. Hershkowitz, W. Huang, and M. Neumann), Lin. Alg. Appl. 241-243 (1996), 431 - 435. 128. Inverses of unipathic M-matrices. (joint with J. McDonald, M. Neumann, and M. Tsatsomeros), SIAM J. Matrix Anal. 17 (1996), 1025 - 1036. 129. Inverse tridiagonal Z-matrices (with J. McDonald, R. Nabben, M. Neumann and M. Tsatsomeros) Lin. Multilin. Alg. 45 (1998), 75 - 97. 130. Helmut Wielandt's "Mathematical Works" editor (with B. Huppert), Vol. 1 (1994) and Vol. 2 (1996), de Gruyter. 131. On matrices for which norm bounds are attained (with H. Weinberger), Lin. Alg. Appl. 275-6 (1998), 563 - 577. 132a. Partial norms and the convergence of general products of matrices (with M. Neumann), SFB 343 Preprint 97-108, Univ. of Bielefeld. 132b. The convergence of general products of matrices and the weak ergodicity of Markov Chains (with M.N. Neumann), LAA 287 (1999), 307 - 314. 133. Bounds on norms of compound matrices and on products of eigenvalues, (with L. Elsner and D. Hershkowitz), Bull. London. Math. Soc. 32 (2000), 15 - 24. 134. Lyapunov revisited: Variations on a matrix theme [expository], in Operators, Systems and Linear Algebra, U. Helmke, Pratzel-Wolters, E. Zerz (eds), pp. 175-181, Teubner (1997). 135. Some personal reminiscences of Olga Taussky-Todd, Lin. Alg. Appl. 280 (1998), 15-19. 136. Z-pencils (with J. J. McDonald, D.D. Olesky, M. J. Tsatsomeros, P. van den Driessche), Elec. J. Lin. Alg, 4 (1998), 32-38. 137. Hermitian positive semidefinite matrices whose entries are 0 or 1 in modulus (with D. Hershkowitz and M. Neumann), Lin. Multilin. Alg. 46 (1999), 259-264. 138. Spectra of expansion graphs (with S. Friedland), Elec. J. Lin. Alg. 6 (1999/2000), 2 - 10. 139. The recursive inverse eigenvalue problem, with M. Arav, D. Hershkowitz and V. Mehrmann, SIAM J. Math. Anal. 22 (2000), 392 - 412. 140. Distribution of subdominant eigenvalues of random matrices, (with G. Goldberg, P.Okunev and M. Neumann), Method. and Comp. in App. Prob. 2 (2000), 137 - 151. 141. Linear equations over cones and Collatz-Wielandt numbers (with B-S. Tam), LAA 363 (2003), 295 - 332. 142. Applications of Perron-Frobenius theory to population dynamics (with C.K. Li), J. Math. Biology, 44 (2002), 450 - 462. 143. Conditions for strict inequality in comparisons of spectral radii of splittings of different matrices (with L.Elsner, A. Frommer, R. Nabben and D.B. Szyld), LAA 363 (2003), 65 - 80. 144. Open problems on GKK tau-matrices (with Olga Holtz), Lin. Alg. Appl. 345 (2002), 263 - 267. 145. Orthogonality of Matrices (with C.K. Li), LAA 347 (2002), 115 - 122. 146. One sided simultaneous inequalities and sandwich theorems for diagonal similarity and diagonal equivalence of nonnegative matrices (with D. Hershkowitz), ELA 10 (2003), 81 - 101. 147. Equilibria of pairs of nonlinear maps associated with cones, (with G.P. Barker, M. Neumann-Coto, M. Takane and B.S. Tam), Int. Equ. Op. Th. 51 (2005), 357 - 373. 148, Helmut Wielandt 19 December 1910 - 14 February 2001: A personal memoir, LAA, 353 (2002), 1 - 3. 149. Wielandt's proof of the exponent inequality for primitive nonnegative matrices, LAA 353 (2002), 5 - 10. 150. Anpassen oder nicht? Die Geschichte eines Mathematikers im Deutschland der Jahre 1933 - 1950 (joint with V, Mehrmann). DMV Mitteilungen, 2/2002 20 - 26. 151. Induced norms, states, and numerical ranges, (with C.K. Li and Ed Poon), Proc. Amer. Math. Soc. 132, 1501 - 1506, (elec. 2003). 152. Potter, Wielandt, and Drazin on the matrix equation $AB = \omega BA$, with some new answers to old questions (with. O. Holtz and V. Mehrmann). Amer. Math. Monthly 111 (2004), 655 - 667. 153. T.I. Seidman, H. Schneider and M. Arav, Comparison theorems using general cones for norms of iteration matrices. LAA 399 (2005), 169 - 186. 154. P. Butkovic and H. Schneider. Applications of max algebra to diagonal scaling of matrices ELA 13 (2005), 262 - 273. 155. T.I. Seidman and H. Schneider, The spectral radius in partially ordered algebras, LAA 417 (2006), 347 - 369. 156. H. Schneider and B.S. Tam, Matrices leaving a cone invariant, in Handbook for Linear Algebra, ed. L. Hogben Chapman abd Hall (2006) 157. P. Butkovic, H. Schneider, S. Sergeev, Generators, Extremals and Bases of Max Cones, LAA 421 (2007, 394 - 406. Ph.D. Students-Thesis Advisor 1. D. H. Carlson (1963) Rank and Inertia Theorems for matrices: The semi-definite case. 2. N. 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