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  • Cattle herd dynamics and performance under village husbandry in the Kolda region (Southern Senegal)

    Creator:
    Sissokho, Mohamadou M.
    Resource Type:
    Masters Thesis
    Full Text:
    in the Kolda Region (Southern Senegal). AN ABSTRACT OF THE THESIS OF Mohamadou M. Sissokho for the

  • Assessment of impacts of Canada geese on wheat production

    Creator:
    Louhaichi, Mounir
    Abstract:
    Numbers of wild Canada geese (Branta canadensis) have increased dramatically during the past 30 years in the lower Columbia and Willamette Valley systems. The damage they cause by grazing and trampling plants can be substantial. The objectives of this research were to: 1) Develop methods that provide reliable estimates of...
    Resource Type:
    Masters Thesis
    Full Text:
    helped me in the field Dr. Mack Barrington, Mohamadou Sissokho, Darcie Smith, Dr. Khaled Osman, Travis

  • Structural Results and Approximation Algorithms in Minor-free Graphs

    Creator:
    Le, Hung V.
    Abstract:
    Planarity has been successfully exploited to design faster and more accurate approximation algorithms for many graph optimization problems. The celebrated theorem of Kuratowski completely characterizes planar graphs as those excluding K_5 and K_{3,3} as minors. Kuratowski's theorem allows one to generalize planar graphs to H-minor-free graphs: those that exclude a...
    Resource Type:
    Dissertation
    Full Text:
    the vertex set and the edge set of G by V (G) and E(G), respectively. We use n and m to denote the

  • Mapping vegetation using landsat TM and ETM+ in Eritrea

    Creator:
    Iyob, Biniam
    Abstract:
    The objective of this study was to examine vegetation and vegetation change in Eritrea over a period from the mid 1980s to 2002 using satellite remote sensing, and relate observed changes to the recent history of drought and war in the region. Specific objectives were (1) to examine vegetation change...
    Resource Type:
    Masters Thesis

  • Approximation Schemes in Planar Graphs

    Creator:
    Zheng, Baigong
    Abstract:
    There are growing interests in designing polynomial-time approximation schemes (PTAS) for optimization problems in planar graphs. Many NP-hard problems are shown to admit PTAS in planar graphs in the last decade, including Steiner tree, Steiner forest, two- edge-connected subgraphs and so on. We follow this research line and study several...
    Resource Type:
    Dissertation
    Full Text:
    graphs runs in O(mn) time by combining the algorithms of King et al. [85] and Orlin [104], where m and n