The Socioeconomic Status of Hispanic New Yorkers: Current Trends and Future Prospects

Presents data showing the major demographic and socioeconomic changes in the Hispanic population of New York during the 1990s. Examines the trends in income, poverty, labor force status, and other economic and demographic indicators

A1A_1 theory of weights for rough homogeneous singular integrals and commutators

Quantitative $A_1-A_\infty$ estimates for rough homogeneous singular integrals $T_{\Omega}$ and commutators of $BMO$ symbols and $T_{\Omega}$ are obtained. In particular the following estimates are proved: % $$\|T_\Omega \|_{L^p(w)}\le c_{n,p}\|\Omega\|_{L^\infty} [w]_{A_1}^{\frac{1}{p}}\,[w]_{A_{\infty}}^{1+\frac{1}{p'}}\|f\|_{L^p(w)}$$ % and % $$\| [b,T_{\Omega}]f\|_{L^{p}(w)}\leq c_{n,p}\|b\|_{BMO}\|\Omega\|_{L^{\infty}} [w]_{A_1}^{\frac{1}{p}}[w]_{A_{\infty}}^{2+\frac{1}{p'}}\|f\|_{L^{p}\left(w\right)},$$ % for $1<p<\infty$ and $1/p+1/p'=1$.Comment: 19 page

Effects of Bulk Viscosity on Cosmological Evolution

The effect of bulk viscisity on the evolution of the homogeneous and isotropic cosmological models is considered. Solutions are found, with a barotropic equation of state, and a viscosity coefficient that is proportional to a power of the energy density of the universe. For flat space, power law expansions, related to extended inflation are found as well as exponential solutions, related to old inflation; also a solution with expansion that is an exponential of an exponential of the time is found.Comment: 8 pages, latex, no figure

Economic perspectives for Central America after CAFTA; a GTAP-based analysis

Using a GTAP CGE application, we assess the main economic results of CAFTA for Central America (CA). Currently, Central America enjoys preferential access to the US market through the Caribbean Basin Initiative (CBI). CAFTA will consolidate and augment these concessions. Meanwhile, the agreement requires widespread opening of CA markets to US imports over time. The implementation of the ATC protocol in 2005 implies increased Chinese competition for the region in the textile and apparel sectors. CAFTA will balance for this new source of competition by allowing better access for CA textiles and apparel products, while creating large opportunities for labour market improvements and FDI inflows to Central America. If these opportunities are exploited, the region has much to gain from CAFTA. However, we also find a strong sectoral readjustment from agricultural sectors to maquila-based industries, which could create important adjustment strains.

Supersymmetric classical cosmology

In this work a supersymmetric cosmological model is analyzed in which we consider a general superfield action of a homogeneous scalar field supermultiplet interacting with the scale factor in a supersymmetric FRW model. There appear fermionic superpartners associated with both the scale factor and the scalar field, and classical equations of motion are obtained from the super-Wheeler-DeWitt equation through the usual WKB method. The resulting supersymmetric Einstein-Klein-Gordon equations contain extra radiation and stiff matter terms, and we study their solutions in flat space for different scalar field potentials. The solutions are compared to the standard case, in particular those corresponding to the exponential potential, and their implications for the dynamics of the early Universe are discussed in turn.Comment: 9 pages, 4 eps figures, uses RevTe

Intentional Discipleship: Implementing a Theology of Discipleship for Spiritual Growth

One of the greatest needs for the church today is to equip believers to become biblically informed, fully developed disciples so that they are prepared to carry out the mission of Christ. Without fully understanding mature discipleship practices, believers cannot fulfill the Great Commission to “go, teach and baptize” to make other disciples. The failure to understand and teach these practices has led to complacency, lack of interest, and the inability to become disciples among long-term church laity. This dissertation implemented biblical discipleship teachings and practices in a local church through a Sunday School curriculum and was evaluated through participant surveys and observations. The intervention comprised teaching three-two part biblically based Sunday school lessons for six weeks, one hour each, that covered biblical, spiritual, and missional foundations for discipleship. Quantitative data was collected from pre–, and post–study focus group interviews. The study showed how teaching a theology of discipleship as a biblical mandate supported by both the Old and New Testaments that emphasizes spiritual growth as a priority for a Christian lead to an increase in knowledge and desire to participate in missional practices. It affirms the need for local churches to develop a similar theology of discipleship to be integrated into their Christian education curriculum based on biblical, spiritual, and missional principles for congregants to be equipped with disciples making disciples

Trypanosoma Brucei Mitochondrial DNA POLIB Cell Cycle Localization and Effect on POLIC when POLIB is Depleted

Trypanosoma brucei is the causative agent of Human African Trypanosomiasis (HAT), also known as African sleeping sickness. T. brucei is unique in several ways that distinguish this organism from other eukaryotes. One of the unique features of T. brucei is the organism’s mitochondrial DNA, which is organized in a complex structure called kinetoplast DNA (kDNA). Since kDNA is unique to the kinetoplastids, kDNA may serve as a good drug target against T. brucei. Previews studies have shown that kDNA has 4 different family A mitochondrial DNA polymerases. Three of these mitochondrial DNA polymerases (POLIB, POLIC, and POLID) are essential components of kDNA synthesis and replication. POLID and POLIC dynamically localize throughout the cell cycle. POLID is found dispersed in the matrix before the kDNA has undergone replication and is re-localized at the antipodal sites when the kDNA is dividing. POLIC is found in the kinetoflagellar zone (KFZ) at low concentrations when the kDNA is not replicating and relocalizes to the antipodal sites when dividing. Based on the dynamic localization of these two DNA polymerases, we hypothesize that POLIB undergoes dynamic localization at some point during the cell cycle stage. Here, a POLIB/PTP single expressor cell line was analyzed by immunofluorescence microscopy in an unsynchronized population. We characterized the localization pattern of POLIB-PTP at different cell cycle stages and found different localization patterns throughout cell cycle. Cells at 1N1K (the majority of cell in an unsynchronized population) have single foci, but at 1N1Kdiv two different patterns are mainly observed, diffuse and segregated. When the kDNAs are separated POLIB-PTP is again seen as a distinct foci in each kDNA. By doing TdT labeling and a quantitative analysis, we found that at early stages of minicircles replication POLIB-PTP start relocalizing to the kDNA disk with a diffuse pattern being the main. By the time the minicircles are being reattached in the disk (late TdT), POLIB is seen in the disk as a bilobe shape