A mutli-technique search for the most primitive CO chondrites

Continuing the search for the most primitive CO chondrites: The oxygen isotope perspective

A mutli-thread tabu search algorithm

Abstract This paper describes a novel refinement to a Tabu search algorithm that has been implemented in an attempt to improve the robustness of the search when applied to particularly complex problems. In this approach, two Tabu searches are carried out in parallel. Each search thread is characterised by it's own short term memory which forces that point out of local optima. However, the two s...

the search for the self in becketts theatre: waiting for godot and endgame

this thesis is based upon the works of samuel beckett. one of the greatest writers of contemporary literature. here, i have tried to focus on one of the main themes in becketts works: the search for the real "me" or the real self, which is not only a problem to be solved for beckett man but also for each of us. i have tried to show becketts techniques in approaching this unattainable goal, base...

Presolar Grains from Primitive Ordinary Chondrites

Kobayashi, K. Nagashima, N. Sakamoto, S. S. Russell, S. Itoh and H. Yurimoto. Division of Earth and Planetary Sciences, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan ([email protected]); Hawai’i Institute of Geophysics and Planetology, School of Ocean and Earth Science and Technology, University of Hawai’i at Manoa, Honolulu, HI 96822, USA; Department of Mineralogy, The Natura...

Interstellar Components in the Primitive Cr3 Chondrites Que

Introduction: Presolar material incorporated into primitive solar system bodies consists of both circumstellar stardust formed in the outflows of RG or AGB stars and the ejecta of supernovae [1], and interstellar material thought to form via low temperature ion-molecule reactions in cold molecular clouds [2]. Deuterium and N isotopic anomalies associated with the latter are common in interplane...