The spectrum of a graph is the spectrum of its adjacency matrix, Cospectral graphs are graphs having the same spectrum. In this paper we study the phenomenon of cospectrality in graphs by comparing ...

President Vladimir Putin denied on Friday that Russia's economy was stagnating and said such a view reflected dissatisfaction ...

The Russian central bank cut its key interest rate by 100 basis points to 17% on Friday, less than analysts had expected, ...

Labor market weakness is seen as outweighing inflation concerns. Click here to find out why investors expect the Fed to cut ...

Clear guide to critical thinking: simple steps, quick examples, and a checklist you can use on decisions daily now ...

I’ve written elsewhere about the value of grounding your metrics program in semantics.1 This article goes well beyond that.

Get the latest on high-frequency economic indicators, market trends, and consumer signals. Click for my weekly update on the ...

If you put money into the market today, there is a very good chance that a bear market will come along and leave you with ...

Shubman Gill’s presence in Asia Cup squad creates pressure, but his coaches reckon Samson 2.0 doesn’t suffer from fear of ...

The inescapable crop math of sustained crippling commodity prices and high input costs has many growers screaming for ...

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