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|Title:||Constructing tight frames of multivariate functions|
|Authors:||Goh, S.S. |
Triangular polygonal surfaces
|Source:||Goh, S.S., Goodman, T.N.T., Lee, S.L. (2009-05). Constructing tight frames of multivariate functions. Journal of Approximation Theory 158 (1) : 49-68. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jat.2008.01.001|
|Abstract:||The paper presents a method of construction of tight frames for L2 (Ω), Ω ⊂ Rn. The construction is based on local orthogonal matrix extension of vectors associated with the transition matrices across consecutive resolution levels. Two explicit constructions are given, one for linear splines on triangular polygonal surfaces with arbitrary topology and the other for quadratic splines associated with Powell-Sabin elements on a six-direction mesh. © 2008 Elsevier Inc. All rights reserved.|
|Source Title:||Journal of Approximation Theory|
|Appears in Collections:||Staff Publications|
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