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074 0 -74 5 9 /12 / $ 31. 0 0 © 2 012 I E E E In 1992, Ward Cunningham first described technical debt as writing immature or “not quite right” code in order to ship a new product to market faster.1 Since then, others have refined and broadened the definition to focus on the tradeoffs between expedient short-term decisions and the resulting, potentially crippling, long-term costs.2–5 Some defini...

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From the Department of Transfusion Medicine, the Department of Clinical Immunology, and the Center for Allogeneic Stem Cell Transplantation, Karolinska University Hospital at Huddinge, Stockholm, Sweden. Address reprint requests to: Beatrice Diedrich, MD, Transfusion Medicine, C2 66, Karolinska University Hospital at Huddinge, 141 86 Stockholm, Sweden; e-mail: beatrice.diedrich@ karolinska.se. ...

NATO’s Research and Technology Organization (RTO) Systems, Analysis, Studies Task Force (SAS-074) is currently developing a process to increase the utilization of human and social-science based Theories, Models and Methods (TM&Ms) by planners and operational researchers in support of these operations. The paper outlines the approach the group is taking. A two-stage process has been developed wh...

In this work we propose an exact solution of the c = 1 Liouville model, i.e. of the world-sheet theory that describes the homogeneous decay of a closed string tachyon. Our expressions are obtained through careful extrapolation from the correlators of Liouville theory with c ≥ 25. In the c = 1 limit, we find two different theories which differ by the signature of Liouville field. The Euclidean l...

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