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2. Let G be a directed graph with source s and sink t. Suppose the capacities are specified not on the edges of G but on the vertices (other than s, t); for each vertex there is a fixed limit on the total flow through it. There is no restriction on flow through the edges. Show how to use the ordinary network flow theory to determine the maximum capacity of a feasible flow from s to t in the ver...

fant health outcomes, as well as reduced educational and employment opportunities for young mothers.2 Teenage pregnancy, early childbearing and adverse infant health outcomes are most likely to occur among disadvantaged women with restricted access to health services, but the social and economic pathways to these outcomes are not well understood.3 A great deal of attention has been focused on t...

Dietary restriction (DR) has been shown to extend both median and maximum lifespan in a range of animals, although recent findings suggest that these effects are not universally enjoyed across all animals. In particular, the lifespan effect following DR in mice is highly strain-specific and there is little current evidence that DR induces a positive effect on all-cause mortality in non-human pr...

We investigate the thickness and seismic velocity structure of the Rukwa Rift crust by modeling seismograms from the 1994 Mw 5.9 Rukwa earthquake and teleseismic receiver functions recorded on a broadband seismic station at the southeastern end of the rift. Two methods have been used to model receiver functions, Hstacking and waveform inversion, yielding Moho depth estimates of 34 ± 2 km (Hstac...

This project was designed to characterize olfactory tissue-specific proteins previously identified with a library of monoclonal antibodies raised against frog olfactory cilia. First, we showed that our olfactory tissue-specific monoclonal antibodies all recognize different molecular forms of the same protein. We named this protein "olfactomedin". We then proceeded to purify olfactomedin and cha...

Soil loss is not limited to change from forest or woodland to other land uses/covers. It may occur when there is agricultural land-use/cover modification or conversion. Soil loss may influence loss of carbon from the soil, hence implication on greenhouse gas emission. Changing land use could be considered actually or potentially successful in adapting to climate change, or may be considered mal...

Fungal secondary metabolism has become an important research topic with great biomedical and biotechnological value. In the postgenomic era, understanding the diversity and the molecular control of secondary metabolites (SMs) are two challenging tasks addressed by the research community. Discovery of the LaeA methyltransferase 10 years ago opened up a new horizon on the control of SM research w...