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SIAMSC
2010
104views more  SIAMSC 2010»
13 years 15 days ago
BDDC Preconditioners for Spectral Element Discretizations of Almost Incompressible Elasticity in Three Dimensions
Abstract. BDDC algorithms are constructed and analyzed for the system of almost incompressible elasticity discretized with Gauss-Lobatto-Legendre spectral elements in three dimensi...
Luca F. Pavarino, Olof B. Widlund, Stefano Zampini
TSP
2010
13 years 14 days ago
Noninvertible gabor transforms
Abstract--Time-frequency analysis, such as the Gabor transform, plays an important role in many signal processing applications. The redundancy of such representations is often dire...
Ewa Matusiak, Tomer Michaeli, Yonina C. Eldar
TSP
2010
13 years 14 days ago
Sparse channel estimation for multicarrier underwater acoustic communication: from subspace methods to compressed sensing
Abstract--In this paper, we investigate various channel estimators that exploit channel sparsity in the time and/or Doppler domain for a multicarrier underwater acoustic system. We...
Christian R. Berger, Shengli Zhou, James C. Preisi...
FCCM
2011
IEEE
241views VLSI» more  FCCM 2011»
12 years 9 months ago
Multilevel Granularity Parallelism Synthesis on FPGAs
— Recent progress in High-Level Synthesis (HLS) es has helped raise the abstraction level of FPGA programming. However implementation and performance evaluation of the HLS-genera...
Alexandros Papakonstantinou, Yun Liang, John A. St...
ESWS
2009
Springer
13 years 10 months ago
KiWi - A Platform for Semantic Social Software (Demonstration)
Abstract. Semantic Wikis have demonstrated the power of combining Wikis with Semantic Web technology. The KiWi system goes beyond Semantic Wikis by providing a flexible and adapta...
Sebastian Schaffert, Julia Eder, Szaby Grünwa...