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CORR
2010
Springer
124views Education» more  CORR 2010»
15 years 6 months ago
Symmetry within and between solutions
Symmetry can be used to help solve many problems. For instance, Einstein's famous 1905 paper ("On the Electrodynamics of Moving Bodies") uses symmetry to help derive...
Toby Walsh
CORR
2008
Springer
115views Education» more  CORR 2008»
15 years 6 months ago
Adaptive Sum Power Iterative Waterfilling for MIMO Cognitive Radio Channels
Abstract--In this paper, the sum capacity of the Gaussian Multiple Input Multiple Output (MIMO) Cognitive Radio Channel (MCC) is expressed as a convex problem with finite number of...
Rajiv Soundararajan, Sriram Vishwanath
CORR
2008
Springer
57views Education» more  CORR 2008»
15 years 6 months ago
Square Complex Orthogonal Designs with Low PAPR and Signaling Complexity
Abstract--Space-Time Block Codes from square complex orthogonal designs (SCOD) have been extensively studied and most of the existing SCODs contain large number of zero. The zeros ...
Smarajit Das, B. Sundar Rajan
183
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DAM
2008
135views more  DAM 2008»
15 years 6 months ago
Edge ranking and searching in partial orders
: We consider a problem of searching an element in a partially ordered set (poset). The goal is to find a search strategy which minimizes the number of comparisons. Ben-Asher, Farc...
Dariusz Dereniowski
ENDM
2008
61views more  ENDM 2008»
15 years 6 months ago
Diameter and Curvature: Intriguing Analogies
We highlight intriguing analogies between the diameter of a polytope and the largest possible total curvature of the associated central path. We prove continuous analogues of the ...
Antoine Deza, Tamás Terlaky, Feng Xie, Yuri...