Further results on the least eigenvalue of connected graphs |
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| Authors: | Miroslav Petrovi? Tatjana Aleksi? |
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| Institution: | a Faculty of Science, University of Kragujevac, Radoja Domanovi?a 12, 34000 Kragujevac, Serbia
b Mathematical Institute SANU, Knez Mihailova 36, 11000 Belgrade, Serbia |
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| Abstract: | In this paper, we identify within connected graphs of order n and size n+k (with  and  ) the graphs whose least eigenvalue is minimal. It is also observed that the same graphs have the largest spectral spread if n is large enough. |
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| Keywords: | 05C50 |
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