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Combinatorics and complexity of guarding polygons with edge and point 2-transmitters [article]

Sarah Cannon and Thomas G. Fai and Justin Iwerks and Undine Leopold and Christiane Schmidt
2015 arXiv   pre-print
We show it is NP-hard to compute a minimum cover of point 2-transmitters, point k-transmitters, and edge 2-transmitters in a simple polygon.  ...  In addition, we give necessity and sufficiency results for the number of edge 2-transmitters in general, monotone, orthogonal monotone, and orthogonal polygons.  ...  We would like to thank Joseph O'Rourke for sharing the 2-transmitter problem with us during the Mathematics Research Communities Workshop on Discrete and Computational Geometry in 2012 and the AMS for  ... 
arXiv:1503.05681v1 fatcat:tgl3yjwg2zc6lhyld6kj66b3ui

Subject index volumes 1–200

1999 Theoretical Computer Science  
1854 conjecture of Bergstra and -, 1268 Hu and -, 1735 tunable receiver, 3539 transmitter, 3539 tuple generating dependencies, 742 recognition problem, 2226 tuples, 2225, 2408, 2545, 2790 of  ...  codes, 2394, 3034 for trees of arbitrary degree, 3034 of trees, binary -, 3034 properties of -, 2394 grammatical complexity, 567 measures, 2 164 grammatical covering, 47 complexity, theory of  ... 
doi:10.1016/s0304-3975(98)00319-3 fatcat:s22ud3iiqjht7lfbtc3zctk7zm

7th European Federation for Primatology Meeting. 30e Colloque de la Société Francophone de Primatologie Strasbourg, France, August 21-25, 2017: Abstracts

Hélène Meunier
2017 Folia primatologica  
Finally, humans show more complex in-hand movements than great apes, partly related to the shape of the trapeziometacarpal complex.  ...  (2) Are the education, fundraising and research potentials of these EEP populations used efficiently by wildlife managers in protected areas?  ...  We continuously recorded social interactions with the mother and other individuals, 15 scan samples of the distance to the mother and several measures related to the number, identity and distance of individuals  ... 
doi:10.1159/000479094 pmid:28768253 fatcat:w7xsevxdizc5jjrxaj2jafzox4

Formation control and coordination of autonomous agents [article]

Iman Shames, University, The Australian National, University, The Australian National
Moreover, it is shown that the accuracy of the approximate localization solution using distance measurements of a formation depends on the choice of the nodes with the known positions, anchors, in the  ...  The primary purpose of this thesis is to present new results in the field of localization, co-ordination and control of multi-agent systems.  ...  Proof Consider a polygon with vertices defined by Tj, i = 1,2,3 and Lj, polygons with the same angles.  ... 
doi:10.25911/5d5fcab6b6903 fatcat:mdeg32zs6vda5h6dxoei2mbamu

VALID 2014 Committee VALID Advisory Chairs VALID 2014 Technical Progam Committee

Andrea Baruzzo, Amir Alimohammad, Abel Marrero, Sebastian Wieczorek, Eric Verhulst, Belgium Altreonic, Andrea Baruzzo, Amir Alimohammad, Abel Marrero, Sebastian Wieczorek, Eric Verhulst, Belgium Altreonic (+46 others)
Airbus Group Innovations   unpublished
Complex distributed systems with heterogeneous interconnections operating at different speeds and based on various nano-and micro-technologies raise serious problems of testing, diagnosing, and debugging  ...  a series of events focusing on designing robust components and systems with testability for various features of behavior and interconnection.  ...  ACKNOWLEDGMENT The authors would like to thank Alejandro Cardenas, Federico Hernandez Reyes, David Steele, and Dale Robbins for performance measurements on the PCH PCIe uplink and SATA.  ...