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COMPGEOM
2005
ACM
13 years 12 months ago
Stability of persistence diagrams
The persistence diagram of a real-valued function on a topological space is a multiset of points in the extended plane. We prove that under mild assumptions on the function, the p...
David Cohen-Steiner, Herbert Edelsbrunner, John Ha...
EMNLP
2006
13 years 11 months ago
Graph-based Word Clustering using a Web Search Engine
Word clustering is important for automatic thesaurus construction, text classification, and word sense disambiguation. Recently, several studies have reported using the web as a c...
Yutaka Matsuo, Takeshi Sakaki, Koki Uchiyama, Mits...
CORR
2006
Springer
68views Education» more  CORR 2006»
13 years 10 months ago
State Space Realizations and Monomial Equivalence for Convolutional Codes
: We will study convolutional codes with the help of state space realizations. It will be shown that two such minimal realizations belong to the same code if and only if they are e...
Heide Gluesing-Luerssen, Gert Schneider
MONET
2008
153views more  MONET 2008»
13 years 10 months ago
Comparison of MANET Routing Protocols Using a Scaled Indoor Wireless Grid
Predicting the performance of ad-hoc networking protocols has typically been performed by making use of software based simulation tools. Experimental study and validation of such p...
David Johnson, Albert Lysko
COMBINATORICS
2004
106views more  COMBINATORICS 2004»
13 years 9 months ago
Random Matrices, Magic Squares and Matching Polynomials
Characteristic polynomials of random unitary matrices have been intensively studied in recent years: by number theorists in connection with Riemann zetafunction, and by theoretica...
Persi Diaconis, Alexander Gamburd