For E = {a, b}, find regular expressions for the complement of the language L =L(aa'bb*).

The Anwer of Regular expression for that Language L is

Answered: For E = {a, b}, find regular…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Similar questions

Given L = {w = {a, b}*: |w| is even}, the correct statements are: (aa U ab Uba U bb)* is a regular expression that generates L. (ab Uba)* is a regular expression that generates L. aa U ab U ba U bb is a regular expression that generates L. ab U ba is a regular expression that generates L.
Write regular expression for: Σ = {a,b} L = {all words that can be of any length and only have one letter b in them} Using + as ONE or more occurences Using * as ZERO or more occurences Using () for grouping
Please give me correct solution in type Solution only.
Question 1: Find all the strings and a regular expression for L = {VwV: V, wE {a, b)*, |V|= 2}. Question 2: Find a regular expression for L= {wE {0, 1)* : w has exactly one pair of consecutive zeros}
Let ∑ = {a, b, #} and L = { w | w cannot be written as t#s#t with s, t ∈ {a, b}*}. Show that L is not regular.
Give a recursive definition for the set of all strings of a’s and b’s that begins with an a and ends in a b. Say, S = { ab, aab, abb, aaab, aabb, abbb, abab..} Let S be the set of all strings of a’s and b’s that begins with a and ends in a b. The recursive definition is as follows – Base:... Recursion: If u ∈ S, then... Restriction: There are no elements of S other than those obtained from the base and recursion of S.
Let EQRE = {<R, S> | R and S are equivalent regular expressions}. Show that EQRE epsilon to PSPACE.
Give a regular expression for the language of strings over (a,b,c) in which the substring ab occurs no more than once. ({submit:RE-abc-not-more-than-one-ab)}}
Give a recursive definition that defines the language: L = {aibj | i ≤ j}
:) Given the language L = {bamb"a, (ab)', aa: n, m > 0 and h 2 1}, find the regular expression r such that L(r) = L.
Prove that the following is regular :
O Given the language L = {(ba)m, amb", aa: m,n 2 0}, find the regular expression r such that L(r) = L.

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For E = {a, b}, find regular expressions for the complement of the language L = L(aa'bb*).