This inquiry sought to examine the effects of participating in an online discussion forum on the development of knowledge for teaching mathematics. The participants of this study were among the pre-service teachers from a large urban university, chosen as they…

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Designing systems with the ability to make optimal decisions under uncertainty is one of the goals of artificial intelligence. However, in many applications the design of optimal planners is complicated due to imprecise inputs and uncertain outputs resulting from stochastic…

The thesis includes two essays on asset pricing. In the first essay, "Asset Pricing in a Monetary Economy with Heterogeneous Beliefs", we shed new light on the role of monetary policy in asset pricing by focusing on the case where…

Bleomycin-induced pulmonary fibrosis (BIPF) is a disease caused by the chemotherapeutic bleomycin in which normal lung tissue is replaced with fibrous tissue that is unable to fulfill the normal functions of oxygen exchange in the lung. The development of this…

Conventional Minimum-Variance (MV) channel estimation is affected by two sources of error, namely the finite number of samples used to estimate the covariance matrix and the asymptotic bias due to interference and additive noise. On the other hand, widely linear…

In wireless communications, the broadcast nature can be explored to efficiently support multicast services while the difference in channel gains among the wireless links of users promotes multiuser diversity which can be used to improve multicast performance. This thesis proposes…

PRESENTATION: The National Consortium for Bioinformatics (CNBi) is a multidisciplinary center dedicated to research, development, management and technical support on questions arising from bioinformatics. It was created by a joint effort between three laboratories from São Paulo state in Brazil:…

The survival of breast cancer patients declines when tumors are invasive and have an increased possibility of metastasizing to distal sites. Transforming Growth Factor-beta (TGF-beta) suppresses breast cancer formation by preventing cell cycle progression in mammary epithelial cells. However, at…

The creation and manipulation of infinite images is central to Bruno's thought, but to the best of my knowledge, this has never been properly treated before. This project is a departure from much of the current scholarship on Bruno which…