Question: Prove that A = {www|w is a string from {a,b}*} is not regular. Consider the string s=apbapbapb

Prove that A = {www|w is a string from {a,b}*} is not regular. Consider the string s=apbapbapb

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

3. Prove that A = {www|w is a string from {a,b}*} is not regular. Consider the string s=a p b a p b a p b.

Q:

HELP! Theoretical Computation What does the following Mealy machine do? Construct a Mealy machine with input alphabet {a, b} for each of the following tasks: On input string w, produce 1^n where n is...

Q:

In a Hopfield neural network configured as an associative memory, with all of its weights trained and fixed, what three possible behaviours may occur over time in configuration space as the net...

Q:

Prerequisite question: (This should not be answered only for reference) Let B = { 1ky| y E {0, 1)' and y contains at least k 1s, for k Show that B is a regular language. Let C = {1ky| y E {0, 1)" and...

Q:

Question 1. a) The following list includes different pieces of a proof that proves L = { waw R | w is any string over { a, b }}, over alphabet = { a, b }, is not a regular language. Some of these...

Q:

In Problem 1 4 . 3 . 4 1 we defined the language S = \ Sigma a \ Sigma k of strings whose k + 1 st to last letter exists and is a . ( Here k is an arbitrary natural. ) Design an NFA for this language...

Q:

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

Q:

Explain how these answers are calculated: Problem 14 [ 18 points] Consider the Turing machine M=(Q,,,,q,F) such that: Q={q,t,s,x,v} LAST NAMP={a,b,c,g};T={B,a,b,c,g,A,P,K,G};F={x} and is defined by...

Q:

A discrete sequence {xn} can be converted into a continuous representation x(t) = ts X n= (t n ts) xn, where ts is the sampling period. (a) State two characteristic properties of Dirac's function. [2...

Q:

Consider Hoare triples of the form {T} V := E {V = E} where T is the atomic formula 'true' and V and E range over variables and expressions, respectively. (i) Write down an instance of such a triple...

Q:

Using the state space analysis technique, obtain the stat model of the mechanical system shown in Fig. 8. F(t) B, M2 Y2 K2 B2 Fig. 8

Q:

On December 1 of Year 1, Lorien Company made a credit sale to a Thai company. The amount of the sale was 100,000 Thai baht. Lorien will collect the account on January 1 of Year 2. On December 1, the...

Q:

If Sharon finances the entire cost of a $650 bike at an APR of 2.85%, how much will she end up paying in total for the bike after paying off her loan in 2 years

Q:

Compared with half a century ago, adoption has become _ _ _ _ _ _ _ _ _ common, but it is more open and acceptabl e , so we probably discuss it _ _ _ _ _ _ _ . fill in the blanks more or much less or...

Q:

What is DDL?

Q:

What is the difference between Oracle SQL Developer and Oracle SQL Developer Data Modeler?

Q:

In modern computer applications, how is Referential Integrity Rule Compliance made easy for the system user?