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A Treasury of Songs
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Recent Progress on the Donaldson–Thomas Theory
This book is an exposition of recent progress on the Donaldson–Thomas (DT) theory. The DT invariant was introduced by R. Thomas in 1998 as a virtual counting of stable coherent sheaves on Calabi–Yau 3-folds. Later, it turned out that the DT invariants have many interesting properties and appear in several contexts such as the Gromov–Witten/Donaldson–Thomas conjecture on curve-counting theories, wall-crossing in derived categories with respect to Bridgeland stability conditions, BPS state counting in string theory, and others. Recently, a deeper structure of the moduli spaces of coherent sheaves on Calabi–Yau 3-folds was found through derived algebraic geometry. These moduli spaces ...
The War Within
It has been twenty years since Prince Bifalt of Belleger discovered the Last Repository and the sorcerous knowledge hidden there. At the behest of the repository's magisters, and in return for the restoration of sorcery to both kingdoms, the realms of Belleger and Amika ceased generations of war. Their alliance was sealed with the marriage of Bifalt to Estie, the crown princess of Amika. But the peace - and their marriage - has been uneasy. Now the terrible war that King Bifalt and Queen Estie feared is coming. An ancient enemy has discovered the location of the Last Repository, and a mighty horde of dark forces is massing to attack the library and take the magical knowledge it guards. That horde will slaughter every man, woman, and child in its path, destroying both Belleger and Amika along the way. With their alliance undermined by lingering hostility and conspiracies threatening, it will take all of the monarchs' strength and will to inspire their people into defiance...
A Theory of Generalized Donaldson-Thomas Invariants
This book studies generalized Donaldson-Thomas invariants $\bar{DT}{}^\alpha(\tau)$. They are rational numbers which `count' both $\tau$-stable and $\tau$-semistable coherent sheaves with Chern character $\alpha$ on $X$; strictly $\tau$-semistable sheaves must be counted with complicated rational weights. The $\bar{DT}{}^\alpha(\tau)$ are defined for all classes $\alpha$, and are equal to $DT^\alpha(\tau)$ when it is defined. They are unchanged under deformations of $X$, and transform by a wall-crossing formula under change of stability condition $\tau$. To prove all this, the authors study the local structure of the moduli stack $\mathfrak M$ of coherent sheaves on $X$. They show that an at...
International Management
As the economies of many countries become more interrelated, international managers are facing huge challenges and unique opportunities associated with their roles. Now in its fifth edition, Sweeney and McFarlin's International Management embodies a balanced and integrated approach to the subject, emphasizing the strategic opportunities available to firms on a global playing field, as well as exploring the challenges of managing an international workforce. Integrating theory and practice across all chapter topics, this book helps students to learn, grasp, and apply the underlying principles of successful international management: Understanding the broad context of international business, inc...
Donaldson
William Donaldson was born in Fife, Scotland in early 1700's and died in 1782. He was married about 1750 in New York City to Mary Bradley.
Credit Control in Boom and Recession
The book contains a comprehensive review of all aspects of credit control: analysis and presentation for a decision; structure; monitoring; and damage limitation. It also has chapters on training, computers and capital adequacy. It recognises that different types of banks will apply the basic principles in ways reflecting their overall strategy and nature of their business. It adapts to these, but stresses strong warnings on certain policies or lack thereof. It is thus prescriptive rather than merely descriptive.
House documents
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