%0 Journal Article %T Formalization of Integral Linear Space %A Yuichi Futa %A Hiroyuki Okazaki %A Yasunari Shidama %J Formalized Mathematics %@ 1898-9934 %D 2011 %I %R 10.2478/v10037-011-0010-9 %X In this article, we formalize integral linear spaces, that is a linear space with integer coefficients. Integral linear spaces are necessary for lattice problems, LLL (Lenstra-Lenstra-Lov¨¢sz) base reduction algorithm that outputs short lattice base and cryptographic systems with lattice [8]. %U http://versita.metapress.com/content/x38l056353582201/?p=25816f9e6d274cf5ab90abc2a2c39abd&pi=9