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CORR
2010
Springer
116views Education» more  CORR 2010»
15 years 6 months ago
Interference Alignment as a Rank Constrained Rank Minimization
Abstract--We show that the maximization of the sum degreesof-freedom for the static flat-fading multiple-input multipleoutput (MIMO) interference channel is equivalent to a rank co...
Dimitris S. Papailiopoulos, Alexandros G. Dimakis
CORR
2010
Springer
147views Education» more  CORR 2010»
15 years 6 months ago
Modeling the structure and evolution of discussion cascades
We analyze the structure and evolution of discussion cascades in four popular websites: Slashdot, Barrapunto, Meneame and Wikipedia. Despite the big heterogeneities between these ...
Vicenç Gómez, Hilbert J. Kappen, And...
CSDA
2008
77views more  CSDA 2008»
15 years 6 months ago
Maximizing equity market sector predictability in a Bayesian time-varying parameter model
A large body of evidence has emerged in recent studies confirming that macroeconomic factors play an important role in determining investor risk premia and the ultimate path of eq...
Lorne D. Johnson, Georgios Sakoulis
CTW
2008
85views more  CTW 2008»
15 years 6 months ago
Debriefing surgeons on non-technical skills (NOTSS)
Abstract Surgical trainees must maximise the educational and developmental opportunities of time spent in the operating theatre. Post-operative debriefing on performance based on o...
S. Yule, R. Flin, N. Maran, G. Youngson, A. Mitche...
EOR
2010
99views more  EOR 2010»
15 years 6 months ago
Min sum clustering with penalties
Traditionally, clustering problems are investigated under the assumption that all objects must be clustered. A shortcoming of this formulation is that a few distant objects, calle...
Refael Hassin, Einat Or