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Varicella-Zoster Virus (VZV) is the second most common ocular pathogen in patients with HIV infection. VZV retinitis is estimated to occur in 0.6% of patients with HIV infection and may occur in one of two clinical syndromes. The first is the acute retinal necrosis syndrome, which also may be seen in immunocompetent hosts. The second clinical syndrome… (More)

- Mark Drela, Ali Merchant
- 2007

The accuracy of a standard implicit conservative Eu-ler equation solver is greatly improved by incorporation of an entropy-conservation equation, used in lieu of the streamwise momentum equation in all regions of the ow except at shock waves. A slight modiication is also required at stagnation points to maintain well-posedness. The overall method completely… (More)

- C . Bouras, P . G . Spirakis, +5 authors Victor Norton
- 2007

Note that (26) proves Theorem 6 for b = 1. For b < 1, the situation for p b has to be given special consideration: Pr(q (n) In steady state we get By the same way, working inductively, one may show that for k j < b we get : p j x k;0 = p j?k+1 x k;k + p j?k+2 (x k;k+1 + x k;k) + + p j?1 (x k;2 + + x k;k); thus proving Theorem 6 , for b < 1 (including the… (More)

We have developed a distributed and extensible environment for modeling multidisciplinary engineering problems using the Internet. The system allows both new and existing numerical tools to be represented as components that connect to form complex simulations. Numerically intensive calculations are relegated to dedicated servers, while a variety of clients—… (More)

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