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FOCS
2008
IEEE
15 years 11 months ago
Nearly Tight Low Stretch Spanning Trees
We prove that any graph G with n points has a distribution T over spanning trees such that for any edge (u, v) the expected stretch ET ∼T [dT (u, v)/dG(u, v)] is bounded by ˜O(...
Ittai Abraham, Yair Bartal, Ofer Neiman
ICASSP
2008
IEEE
15 years 11 months ago
Some properties of an empirical mode type signal decomposition algorithm
The empirical mode decomposition (EMD) has seen widespread use for analysis of nonlinear and nonstationary time-series. Despite some practical success, it lacks a firm theoretica...
Stephen D. Hawley, Les E. Atlas, Howard J. Chizeck
ESOP
2007
Springer
15 years 10 months ago
Using History Invariants to Verify Observers
Abstract. This paper contributes a technique that expands the set of object invariants that one can reason about in modular verification. The technique uses history invariants, tw...
K. Rustan M. Leino, Wolfram Schulte
ISAAC
2007
Springer
124views Algorithms» more  ISAAC 2007»
15 years 10 months ago
Approximating the Crossing Number of Toroidal Graphs
Abstract. CrossingNumber is one of the most challenging algorithmic problems in topological graph theory, with applications to graph drawing and VLSI layout. No polynomial time con...
Petr Hlinený, Gelasio Salazar
KI
2007
Springer
15 years 10 months ago
Early History and Perspectives of Automated Deduction
With this talk we want to pay tribute to the late Professor Gerd Veenker who deserves the historic credit of initiating the formation of the German AI community. We present a summa...
Wolfgang Bibel