Donaldson-Thomas theory and cluster algebras

We provide a transformation formula of non-commutative Donaldson-Thomas invariants under a composition of mutations. Consequently, we get a description of a composition of cluster transformations in terms of quiver Grassmannians. As an application, we give an alternative proof of Fomin-Zelevinsky's conjectures on $F$-polynomials and $g$-vectors.Comment: 39 pages, 8 figures, mostly rewritte

A formal model of organizational structure and its use in predicting effects of information technology

Bibliography: leaves 39-43.Thomas W. Malone

Teaching and building middle range industrial relations theory

Includes bibliographical references (p. [39]-[42]).Thomas A. Kochan

Macro determinants of the future of the study of negotiations in organizations

Bibliography: p.39-43.Thomas A. Kochan, Max H. Bazerman

Thomas, Clifton David (SC 1163)

Finding aid only for Manuscripts Small Colleciton 1163. Desert Storm letters, cards, and newsletters (39) written between Clifton David Thomas and family members in Todd County and Bowling Green, Kentucky, while he served in the Persian Gulf War. Includes cassette tapes (2), of a telephone conversation between Thomas and his parents and a narrative about Thomas’ war experiences

Dickens extra-illustrated: heads and scenes in monthly parts (The Case of Nicholas Nickleby)

As a practice that interleaves extraneous materials within the pages of a book, extra-illustration unbinds the volume form and undermines the autonomy of the literary and of the act of reading. I concentrate on Charles Dickens's The Life and Adventures of Nicholas Nickleby (1838-39) and sets of extra-illustrations by Peter Palette (pseud, for Thomas Onwhyn) and Miss La Creevy (pseud, for Kenny Meadows). Taking advantage of the material and temporal aspects of serialization, these extra-illustrations rearticulate the act of reading in a way that emphasizes the place of Victorian literature in a culture of viewing and collecting

The Reducts of the Homogeneous Binary Branching C-relation

Let (L;C) be the (up to isomorphism unique) countable homogeneous structure carrying a binary branching C-relation. We study the reducts of (L;C), i.e., the structures with domain L that are first-order definable in (L;C). We show that up to existential interdefinability, there are finitely many such reducts. This implies that there are finitely many reducts up to first-order interdefinability, thus confirming a conjecture of Simon Thomas for the special case of (L;C). We also study the endomorphism monoids of such reducts and show that they fall into four categories.Comment: 39 pages, 4 figure

Semiparametric estimation of weighted average derivatives

Bibliography: p. 38-39.Financial support from National Science Foundation Grants.by James L. Powell, James H. Stock, Thomas M. Stoker