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JC
2007
63views more  JC 2007»
13 years 5 months ago
Optimal approximation of elliptic problems by linear and nonlinear mappings III: Frames
We study the optimal approximation of the solution of an operator equation A(u) = f by certain n-term approximations with respect to specific classes of frames. We consider worst...
Stephan Dahlke, Erich Novak, Winfried Sickel
JC
2007
64views more  JC 2007»
13 years 5 months ago
Quadrature in Besov spaces on the Euclidean sphere
Let q ≥ 1 be an integer, Sq denote the unit sphere embedded in the Euclidean space Rq+1, and µq be its Lebesgue surface measure. We establish upper and lower bounds for sup f...
Kerstin Hesse, H. N. Mhaskar, Ian H. Sloan
CORR
2007
Springer
158views Education» more  CORR 2007»
13 years 5 months ago
Model of Electrostatic Actuated Deformable Mirror Using Strongly Coupled Electro-Mechanical Finite Element
The aim of this paper is to deal with multi-physics simulation of micro-electro-mechanical systems (MEMS) based on an advanced numerical methodology. MEMS are very small devices i...
V. Rochus, J.-C. Golinval, C. Louis, C. Mendez, I....
ICDAR
2007
IEEE
13 years 12 months ago
Finger-Written Chinese Characters Recognition Using Hierarchical LDA
In our camera based user interface, user inputs Chinese characters by moving fingertip with his/her fingers. Therefore, we call those characters “finger– written Chinese chara...
D. Yang, L. Jin, L.-X. Zhen, J.-C. Huang
DCG
2007
67views more  DCG 2007»
13 years 5 months ago
Note on an Inequality of Wegner
G. Wegner [12] gave a geometric characterization of all so–called Groemer packing of n ≥ 2 unit discs in E2 that are densest packings of n unit discs with respect to the conve...
Károly J. Böröczky, Imre Z. Ruzsa