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<p>bounds for problem complexity, and there are few methods for obtaining such lower bounds.</p>

<p>For solving most problems, it is necessary to read all input data, which, normally, needs a time proportional to the size of the data. Thus, such problems have a complexity that is at least <a href="page.php?w=linear_time">linear</a>, that is, using <a href="page.php?w=big_omega_notation">big omega notation</a>, a complexity </p>

<p>The solution of some problems, typically in <a href="page.php?w=computer_algebra">computer algebra</a> and <a href="page.php?w=computational_algebraic_geometry">computational algebraic geometry</a>,</p><p>
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