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Approximation Algorithms for Network Revenue Management
Description:
We present an approximation algorithm for network revenue management problems. In our approximation algorithm, we construct an approximate policy using value function approximations that are expressed as linear combinations of basis functions. We use a backward recursion to compute the coefficients of the basis functions in the linear combinatio...
Creator:
Topaloglu, Huseyin (Cornell University)
Created:
2018-10-04
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Last Updated:
2019-02-04
Approximation Algorithms for Network Revenue Management
Approximation and computation for a photolithography problem
Description:
The inverse photolithography problem is a key step in the production of integrated circuits. I propose a regularization and computation strategy for this optimization problem, whose key feature is a regularization procedure for a suitable thresholding operation. The validity of the method is shown by a convergence analysis and by numerical exper...
Creator:
Rondi, Luca (Università di Trieste)
Created:
2016-12-14
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Last Updated:
2018-06-19
Approximation and computation for a photolithography problem
Approximation and Convergence of the First Intrinsic Volume
Description:
The Steiner polynomial of a solid body in R^d is of degree d and describes the volume as a function of the thickening parameter (parallel body). There are d+1 coefficients which are used to define the d+1 intrinsic volumes of the solid body. In d=2 dimensions, the first intrinsic volume is the length, and in d=3 dimensions, it is the total mean ...
Creator:
Edelsbrunner, Herbert (Institute of Science and Technology Austria (IST))
Created:
2014-03-04
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Last Updated:
2018-06-19
Approximation and Convergence of the First Intrinsic Volume
Approximation errors, inverse problems and model reduction
Description:
The approximation error approach was proposed in [J. Kaipio \& E. Somersalo, Statistical and Computational Inverse Problems, Springer, 2004] for handling modelling errors due to model reduction and unknown nuisance parameters in inverse problems. In this talk, we discuss the application of the approximation error approach for approximate margina...
Creator:
Kolehmainen, Ville (University of Eastern Finland)
Created:
2017-09-07
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Last Updated:
2019-02-04
Approximation errors, inverse problems and model reduction
Approximation of Positive Polynomials by Sums of Squares
Description:
Approximation of positive polynomials by sums of squares has importantapplications to polynomial optimisation. In this talk, I will surveythe main recent results achieved on that topic:I will consider positive (respectively, non-negative) polynomials oncompact (respectively, unbounded) semi-algebraic sets. I will discussrepresentations in the as...
Creator:
Kuhlmann, Salma (University of Saskatchewan)
Created:
2007-01-20
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Last Updated:
2018-06-19
Approximation of Positive Polynomials by Sums of Squares
Approximations and fast algorithms for Helmholtz Green€™s functions
Description:
In an approach similar to Ewald's method for evaluating lattice sums, we split the application of Helmholtz Green's functions between the spatial and the Fourier domains and, for any finite accuracy, approximate their kernels.In the spatial domain we use a near optimal linear combination of decaying Gaussians with positive coefficients and, in t...
Creator:
Beylkin, Gregory (University of Colorado)
Created:
2010-08-04
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Last Updated:
2018-06-19
Approximations and fast algorithms for Helmholtz Green€™s functions
Approximations to Classifying Spaces from Algebras
Description:
If A is a finite-dimensional algebra with automorphism group G, then varieties of generating r-tuples of elements in A, considered up to G-action, produce a sequence of varieties B(r) approximating the classifying space BG. I will explain how this construction generalizes certain well-known examples such as Grassmannians and configuration spaces...
Creator:
Williams, Ben (University of British Columbia)
Created:
2022-08-05
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Last Updated:
2022-09-06
Approximations to Classifying Spaces from Algebras
A practical gate, decorated with and abundance of Egyptian architectural ornamentation and cherubs.
Description:
The composition includes a "Z" within a laurel wreath. There is a partial sample of a stone wall drop with an Egyptian running border.
Contributed By:
University of Minnesota Libraries, Performing Arts Archives.
Last Updated:
2017-11-27
A practical gate, decorated with and abundance of Egyptian architectural ornamentation and cherubs.
A Practical Guide for Teaching the Mentally Retarded to Swim, 1969 (Box 1, Folder 4)
Creator:
YMCA of the USA
Created:
1969
Contributed By:
University of Minnesota Libraries, Kautz Family YMCA Archives.
Page Count:
162
Last Updated:
2022-06-27
A Practical Guide for Teaching the Mentally Retarded to Swim, 1969 (Box 1, Folder 4)
A Preacher expounding the Poorans: In the Temple of Unn Poorna, Benares.
Creator:
Prinsep, James, 1799-1840.
Contributor:
Haghe, L.
Created:
1833
Contributed By:
University of Minnesota Libraries, Ames Library of South Asia.
Last Updated:
2017-11-16
A Preacher expounding the Poorans: In the Temple of Unn Poorna, Benares.