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  • Land-use planning  (2)
  • 06A10 partial order  (1)
  • 1985-1989  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Order 5 (1988), S. 107-129 
    ISSN: 1572-9273
    Keywords: 06A10 partial order ; 68C25 computational complexity and efficiency of algorithms ; 68E10 graph theory ; 90C08 special problems of linear programming ; Bump number ; jump number ; polynomial algorithm ; linear extension ; bump-critical ; min-max theorem ; extension lattice ; linear circuit layout
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract The bump number b(P) of a partial order P is the minimum number of comparable adjacent pairs in some linear extension of P. It has an interesting application in the context of linear circuit layout problems. Its determination is equivalent to maximizing the number of jumps in some linear extension of P, for which the corresponding minimization problem (the jump number problem) is known to be NP-hard. We derive a polynomial algorithm for determining b(P). The proof of its correctness is based on a min-max theorem involving simple-structured series-parallel partial orders contained in P. This approach also leads to a characterization of all minimal partial orders (with respect to inclusion of the order relations) with fixed bump number.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 11 (1987), S. 209-223 
    ISSN: 1432-1009
    Keywords: Soil conservation ; Land-use planning ; Agricultural policy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Soil conservation has been a matter of federal natural resource policy for over a half century in the United States. A variety of federal programs have been undertaken to encourage soil conservation. There are goals which are essential to these programs, and there are related ancillary programs with different goals which often have had an impact on the extent to which the central soil conservation objectives have been effectively implemented. This article analyzes four aspects of federal soil conservation goals and programs: the evolution of the constellation of soil conservation goals, the problems with goal implementation, implementation effectiveness, and the appropriateness of the implementation and administration of federal goals.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1009
    Keywords: Stream corridors ; Pacific Northwest ; Land-use planning ; Local land-use legislation ; Stream corridor protection ; Puget Sound ; King County (Washington)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract King County, Washington is part of the rapidly growing Pacific Northwest region. Analysis of past and current federal, state, and county regulations and administation reveals how stream corridors have been protected to date. This article draws on scientific literature and a case study to suggest future management strategies and guidelines for controlling development in King County watersheds.
    Type of Medium: Electronic Resource
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