A simple, elementary method is given for deriving estimates of sums of arithmetic functions, the estimates being in a certain sense uniform over a class of functions appearing in the summation. The ...

Using fundamental processes instead of brain cells, plants measure the time until dawn and divide that by their stored starch levels. Researchers say that this ability in plants represents the first ...

An example of a linear sequence. A list of numbers or diagrams that are in a particular order is called a sequence close sequenceA sequence is a set of numbers that follow a certain rule. For example, ...