Mathematical Techniques for Efficient Record Segmentation in Large Shared Databases
Journal of the ACM (JACM)
A Fast Selection Algorithm and the Problem of Optimum Distribution of Effort
Journal of the ACM (JACM)
Parametric Combinatorial Computing and a Problem of Program Module Distribution
Journal of the ACM (JACM)
The complexity of some problems in parametric linear and combinatorial programming
The complexity of some problems in parametric linear and combinatorial programming
A polynomial time algorithm for a chance-constrained single machine scheduling problem
Operations Research Letters
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The parametric resource allocation problem asks to minimize the sum of separable single-variable convex functions containing a parameter @l, @S"i" "=" "1^n (f"i(x"i + @lg"i(x"i)), under simple constraints @S"i" "=" "1^nx"i = M, l"i@?x"i@?u"i and x"i: nonnegative integers for i = 1, 2, ..., n, where M is a given positive integer, and l"i and u"i are given lower and upper bounds on x"i. This paper presents an efficient algorithm for computing the sequence of all optimal solutions when @l is continuously changed from 0 to ~. The required time is O(G@/M log^2n + nlogn + nlog(M/n)), where G = @S"i" "=" "1^nu"i - @S"i" "=" "1"nl"i and an evaluation of f"i(.)or g"i(.) is assumed to be done in constant time.