A recent echocardiographic study of symptomatic patients who had aortic valve replacement for isolated aortic regurgitation indicated that patients in whom preoperative left ventricular end-systolic dimension (LVD[SYS]) exceeded 55 mm or fractional shortening (%FS) was less than 25% were at high risk of developing congestive heart failure and dying after an otherwise successful operation. Becau...

We consider efficient implementations of the all-reduce operation with large data sizes on tree topologies. We prove a tight lower bound of the amount of data that must be transmitted to carry out the all-reduce operation and use it to derive the lower bound for the communication time of this operation. We develop a topology specific algorithm that is bandwidth efficient in that (1) the amount ...

A recent echocardiographic study of symptomatic patients who had aortic valve replacement for isolated aortic regurgitation indicated that patients in whom preoperative left ventricular end-systolic dimension (LVD[SYS]) exceeded 55 mm or fractional shortening (%FS) was less than 25% were at high risk of developing congestive heart failure and dying after an otherwise successful operation. Becau...

Fifty consecutive patients undergoing aortic valve replacement for isolated aortic regurgitation were studied prospectively by echocardiography, electrocardiography and cardiac catheterization. Good quality echocardiograms were obtained in 49 of the 50 patients. Left ventricular (LV) dilatation was present in all 49 patients. LV systolic function, as assessed by echocardiographic percent fracti...

In the requirements elicitation phase, operation flows of software are often defined by scenarios. It is necessary to define appropriate operation flows as scenarios in terms of easily comprehended operation flows, efficiency, etc. Then scenarios are implemented as software Graphical User Interfaces (GUIs). If the operation flows are defined inappropriately, the implemented GUIs may require mod...

background: biliary atresia is a 100% fatal disorder without any treatment in infants as a leading cause of cirrhosis and kasai operation, as the only operative choice, which plays a crucial role in increasing their rate of survival. nonetheless, many patients end up with liver transplantation in the future owing to various inevitable hepatic and biliary problems which do remain after the kasai...

RIPEMD-128 is an ISO/IEC standard cryptographic hash function proposed in 1996 by Dobbertin, Bosselaers and Preneel. There are two different and independent parallel lines called line1 operation and line2 operation, and each operation has 64 steps. The results of two line operations are combined at the end of every application of the compression function. In this paper, we present collision dif...

The relation ∼ is transitive because End(k) ⊗ End(kn) ' End(kn+n). The operation ⊗ on algebras gives Br(k) a group structure, since A ⊗ A ' End(A). The latter is an equivalent definition of a (finite-dimensional) central simple algebra. For any extension k′/k, there is a map Br(k)→ Br(k′) given by base change. The Artin-Wedderburn Theorem classifies all finite-dimensional simple k-algebras as E...