An acceleration technique is developed that significantly improves the accuracy of a wide class of well-known numerical procedures for approximating the spectra of linear compact operators. A given ...
Recent results of M. Radjabalipour and H. Radjavi assert that the sum of a normal operator $N$ with spectrum on a smooth Jordan curve and a compact operator $K$ in ...
The country's four mobile phone operators bought 190 megahertz (MHz) of spectrum for $1.23 billion or Tk 10,645 crore yesterday, a development that could alleviate customers' woes centring agonisingly ...
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