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117
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CDC
2009
IEEE
15 years 7 months ago
2009
IEEE
Abstract— We prove that a controllable set of smooth trajectories is the solution set of a constant coefficient linear differential equation if and only if it is linear, time in...
113
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CCCG
2006
15 years 5 months ago
2006
Origami is the centuries-old art of folding paper, and recently, it is investigated as science. In this paper, another hundreds-old art of folding paper, a pop-up book, is studied...
117
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COMBINATORICS
1999
15 years 4 months ago
1999
We show how to count tilings of Aztec diamonds and hexagons with defects using determinants. In several cases these determinants can be evaluated in closed form. In particular, we...
136
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JSYML
2002
15 years 4 months ago
2002
We consider equational theories for functions defined via recursion involving equations between closed terms with natural rules based on recursive definitions of the function symb...
127
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IFSA
2007
Springer
15 years 10 months ago
2007
Springer
In the formal and fully graded setting of Fuzzy Class Theory (or higher-order fuzzy logic) we make an initial investigation into basic notions of fuzzy topology. In particular we s...