BibSonomy publications for /author/MisraFri Feb 03 00:00:00 CET 2012IJORIS174-84Retailer's Pricing and Lot Sizing Policy for Non Deteriorating Items with Constant Demand Rate Under the Condition of Permissible Delay in Payments.32012dblp Fri Feb 03 00:00:00 CET 2012IEEE Communications Letters10717-719On the Connectivity of Circularly Distributed Nodes in Ad Hoc Wireless Networks.122008dblp Thu Feb 02 00:00:00 CET 2012IJWMC177-87Evaluation of cellular prediction models using 900 MHz outdoor measurements and tuning of Lee model over Indian urban and suburban regions.52011dblp Thu Feb 02 00:00:00 CET 2012PIMRCconf/pimrc/20081-6Distributed network utility optimization in wireless sensor networks using power control.2008dblp Wed Feb 01 00:00:00 CET 2012Int. J. Image Graphics4509-529Combining Graph-Cut Technique and Anatomical Knowledge for Automatic Segmentation of Lungs affected by Diffuse Parenchymal Disease in HRCT Images.112011dblp Tue Jan 31 04:34:38 CET 2012cite arxiv:1201.6074Comment: Submitted to ApJ. 13 pages, 6 figuresStar formation in the early universe: beyond the tip of the iceberg2012early formation grb star universe We present late-time Hubble Space Telescope imaging of the fields of six Swift GRBs lying at 5.0<z<9.5. Our data includes very deep observations of the field of the most distant spectroscopically confirmed burst, GRB 090423, at z=8.2. Using the precise positions afforded by their afterglows we can place stringent limits on the luminosities of their host galaxies. In one case, that of GRB 060522 at z=5.11, there is a marginal excess of flux close to the GRB position which may be a detection of a host at a magnitude J(AB)=28.5. None of the others are significantly detected meaning that all the hosts lie below L\star at their respective redshifts, with star formation rates SFR<4Mo/yr in all cases. Indeed, stacking the five fields with WFC3-IR data we conclude a mean SFR<0.17Mo/yr per galaxy. These results support the proposition that the bulk of star formation, and hence integrated UV luminosity, at high redshifts arises in galaxies below the detection limits of deep-field observations. Making the reasonable assumption that GRB rate is proportional to UV luminosity at early times allows us to compare our limits with expectations based on galaxy luminosity functions derived from the Hubble Ultra-Deep Field (HUDF) and other deep fields. We infer that a luminosity function which is evolving rapidly towards steeper faint-end slope (alpha) and decreasing characteristic luminosity (L\star), as suggested by some other studies, is consistent with our observations, whereas a non-evolving LF shape is ruled out at >90% confidence. Although it is not yet possible to make stronger statements, in the future, with larger samples and a fuller understanding of the conditions required for GRB production, studies like this hold great potential for probing the nature of star formation, the shape of the galaxy luminosity function, and the supply of ionizing photons in the early universe. Tue Jan 31 00:00:00 CET 2012FTCSconf/ftcs/1990265-272Signature analysers based on additive cellular automata.1990dblp Thu Jan 26 00:00:00 CET 2012AICCSAconf/aiccsa/2009492-497Ant colony optimization-based congestion control in Ad-hoc wireless sensor networks.2009dblp Thu Jan 26 00:00:00 CET 2012AICCSAconf/aiccsa/2009336-341Simulating Peer-to-Peer networks.2009dblp Thu Jan 26 00:00:00 CET 2012AICCSAconf/aiccsa/2009690-696A Swarm Intelligence-based P2P file sharing protocol using Bee Algorithm.2009dblp Thu Jan 26 00:00:00 CET 2012AICCSAconf/aiccsa/2009330-335An efficient 802.11 medium access control method and its simulation analysis.2009dblp Thu Jan 26 00:00:00 CET 2012AICCSAconf/aiccsa/2009478-484Adaptive learning solution for congestion avoidance in wireless sensor networks.2009dblp Thu Jan 26 00:00:00 CET 2012AICCSAconf/aiccsa/2009963-969Dividing PKI in strongest availability zones.2009dblp Thu Jan 26 00:00:00 CET 2012AICCSAconf/aiccsa/2009485-491An adaptive learning-like solution of random early detection for congestion avoidance in computer networks.2009dblp Tue Jan 24 00:00:00 CET 2012GLOBECOMconf/globecom/20111-5Null Frequency Jamming of Dynamic Routing in Wireless Ad Hoc Networks.2011dblp Thu Jan 19 15:17:47 CET 2012BostonProceedings of the MobiSys 2004 Workshop on Context AwarenessJunePervasive Computing in Health Care: Smart Spaces and Enterprise Information Systems2004computing, care, pervasive health ubiquitous ehealth Fri Jan 13 00:00:00 CET 2012NeuroImage41415-1422Baseline and longitudinal patterns of brain atrophy in MCI patients, and their use in prediction of short-term conversion to AD: Results from ADNI.442009dblp Fri Jan 13 00:00:00 CET 2012COMSNETSconf/comsnets/20101-10On the robustness of wireless opportunistic routing toward inaccurate link-level measurements.2010dblp Fri Jan 13 00:00:00 CET 2012COMSNETSconf/comsnets/20101-6Energy efficient learning solution for intrusion detection in Wireless Sensor Networks.2010dblp Wed Jan 11 00:00:00 CET 2012COMSNETSconf/comsnets/20111-7Study of enhanced VoIP performance under congested wireless network scenarios.2011dblp