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» Turing computations on ordinals
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147
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SOFSEM
2009
Springer
15 years 6 months ago
Expressiveness of Multiple Heads in CHR
Abstract. Constraint Handling Rules (CHR) is a general purpose, committedchoice declarative language which, differently from other similar languages, uses multi-headed (guarded) ru...
Cinzia Di Giusto, Maurizio Gabbrielli, Maria Chiar...
77
Voted
CSE
2009
IEEE
15 years 4 months ago
Towards Automating Social Engineering Using Social Networking Sites
—A growing number of people use social networking sites to foster social relationships among each other. While the advantages of the provided services are obvious, drawbacks on a...
Markus Huber, Stewart Kowalski, Marcus Nohlberg, S...
CSR
2009
Springer
15 years 4 months ago
On the Complexity of Matroid Isomorphism Problems
We study the complexity of testing if two given matroids are isomorphic. The problem is easily seen to be in Σp 2 . In the case of linear matroids, which are represented over poly...
B. V. Raghavendra Rao, Jayalal M. N. Sarma
CCA
2005
Springer
15 years 3 months ago
Effectively Open Real Functions
A function f is continuous iff the pre-image f −1[V ] of any open setV is open again. Dual to this topological7 property, f is called open iff the image f [U] of any open set U ...
Martin Ziegler
MFCS
2005
Springer
15 years 3 months ago
Combining Self-reducibility and Partial Information Algorithms
A partial information algorithm for a language A computes, for some fixed m, for input words x1, . . . , xm a set of bitstrings containing χA(x1, . . . , xm). E.g., p-selective, ...
André Hernich, Arfst Nickelsen