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EUROCRYPT
2004
Springer
15 years 7 months ago
Merkle Tree Traversal in Log Space and Time
Abstract. We present a technique for Merkle tree traversal which requires only logarithmic space and time1 . For a tree with N nodes, our algorithm computes sequential tree leaves ...
Michael Szydlo
NC
2011
175views Neural Networks» more  NC 2011»
14 years 8 months ago
P systems with active membranes: trading time for space
We consider recognizer P systems having three polarizations associated to the membranes, and we show that they are able to solve the PSPACEcomplete problem Quantified 3SAT when wo...
Antonio E. Porreca, Alberto Leporati, Giancarlo Ma...
GLOBECOM
2008
IEEE
15 years 8 months ago
Terabit Ethernet: A Time-Space Carrier Sense Multiple Access Method
To achieve Terabit and Petabit switching, both time (high transmission speed) and space (multi-stage interconnection network) technologies are required. We propose an Ethernet for...
Joseph Y. Hui, David A. Daniel
COGSCI
2010
104views more  COGSCI 2010»
15 years 1 months ago
Space and Time in the Child's Mind: Evidence for a Cross-Dimensional Asymmetry
What is the relationship between space and time in the human mind? Studies in adults show an asymmetric relationship between mental representations of these basic dimensions of ex...
Daniel Casasanto, Olga Fotakopoulou, Lera Borodits...
ICC
2008
IEEE
139views Communications» more  ICC 2008»
15 years 8 months ago
OFDM Based Distributed Space Time Coding for Asynchronous Relay Networks
— Recently Li and Xia have proposed a transmission scheme for wireless relay networks based on the Alamouti space time code and orthogonal frequency division multiplexing to comb...
G. Susinder Rajan, B. Sundar Rajan