منابع مشابه
The VERDI fission fragment spectrometer
The VERDI time-of-flight spectrometer is dedicated to measurements of fission product yields and of prompt neutron emission data. Pre-neutron fission-fragment masses will be determined by the double time-of-flight (TOF) technique. For this purpose an excellent time resolution is required. The time of flight of the fragments will be measured by electrostatic mirrors located near the target and t...
متن کاملThe Colin de Verdi
In 1990, Y. Colin de Verdi ere introduced a new graph parameter (G), based on spectral properties of matrices associated with G. He showed that (G) is monotone under taking minors and that planarity of G is characterized by the inequality (G) 3. Recently Lovv asz and Schrijver showed that linkless embeddability of G is characterized by the inequality (G) 4. In this paper we give an overview of ...
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ژورنال
عنوان ژورنال: Praktisk økonomi & finans
سال: 2004
ISSN: 1504-2871,1501-0074
DOI: 10.18261/issn1504-2871-2004-01-01