Affiliation:
1. 1 Tongji University Department of Mathematics Shanghai 200092 P. R. China
Abstract
Let Pr denote an almost-prime with at most r prime factors, counted according to multiplicity. In this paper we show that the inequality \documentclass{aastex}
\usepackage{amsbsy}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{bm}
\usepackage{mathrsfs}
\usepackage{pifont}
\usepackage{stmaryrd}
\usepackage{textcomp}
\usepackage{upgreek}
\usepackage{portland,xspace}
\usepackage{amsmath,amsxtra}
\usepackage{bbm}
\pagestyle{empty}
\DeclareMathSizes{10}{9}{7}{6}
\begin{document}
$$\left\{ {\sqrt p } \right\} < p^{ - \tfrac{1}
{{15.5}}}$$
\end{document} has infinitely many solutions in primes p such that p + 2 = P4.
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