Proving Subspace Relation: lp and lq Sequences

In summary, the sequence space lp is a set of all possible sequences of numbers that satisfy certain conditions, where the p-norm is an important concept in defining a metric and measuring distances between sequences. It is closely related to Banach spaces and has applications in various fields of scientific research. Examples of sequences that belong to the sequence space lp include the sequence of natural numbers, prime numbers, and Fibonacci numbers.
  • #1
hedipaldi
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Homework Statement


how to prove that the sequences space lp is subspace of lq for p smaller than q?


Homework Equations





The Attempt at a Solution


I try to imply holder inequality but meanwile unsuccesfully
 
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  • #2
Hint: if ##0 < x < 1## and ##0 < p < q##, then ##x^q < x^p##.
 
  • #3
Yes,so simple. thank you very much.
 

1. What is the sequence space lp?

The sequence space lp is a mathematical concept that refers to the set of all possible sequences of numbers that satisfy certain conditions. In particular, it is the set of all sequences whose p-norm, defined as the sum of the absolute values of the sequence's elements raised to the power of p, is finite.

2. What is the significance of the p-norm in the sequence space lp?

The p-norm is an important concept in the sequence space lp because it allows us to define a metric on this space, which in turn allows us to measure the distance between different sequences. This allows us to study the properties of sequences and the convergence of sequences in a systematic way.

3. How is the sequence space lp related to other mathematical concepts?

The sequence space lp is closely related to other mathematical concepts such as Banach spaces, which are complete normed vector spaces. In fact, the sequence space lp is a specific type of Banach space, where the norm is defined using the p-norm.

4. What are some examples of sequences that belong to the sequence space lp?

Examples of sequences that belong to the sequence space lp include the sequence of natural numbers, the sequence of prime numbers, and the sequence of Fibonacci numbers. These sequences all have a finite p-norm for certain values of p, making them members of the sequence space lp.

5. What is the importance of the sequence space lp in scientific research?

The sequence space lp has applications in various fields of science, including physics, computer science, and statistics. It allows us to study the properties and behavior of sequences in a systematic way, making it a valuable tool for understanding complex systems and phenomena.

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