Dimension of Complex Vector Spaces over R?

In summary, when considering a 1-dimensional complex space as a vector space over R, its dimension is still 1. This is because the real part of the complex vector must be 0, making it essentially a purely complex space. Therefore, when viewed over R, the dimension remains at 1.
  • #1
gtfitzpatrick
379
0

Homework Statement


C is a 1-dim comples space. What is its dimesion when regarded a vector space over R

The Attempt at a Solution



if the complex vector space is dim 1 then the real part must = 0 so therefore when viewed over R the dimension must be 0 as well
 
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  • #2
gtfitzpatrick said:
if the complex vector space is dim 1 then the real part must = 0 so therefore when viewed over R the dimension must be 0 as well

Could you elaborate on this, since I don't understand your reasoning at all...
You know that the only 0-dimensional spaces is {0}, right? So there's no way C could have dimension 0...
 
  • #3
sorry, i should have said a complex vector is dim 2 when viewed over R, but in this case its dim is 1 so the real part = 0. therefore when view over R only the complex part existins so when viewed over R is dimension is also 1?
 

Related to Dimension of Complex Vector Spaces over R?

1. What is a one dimensional complex space?

A one dimensional complex space is a vector space over the complex numbers with only one basis vector. This means that any vector in this space can be represented as a linear combination of a single complex number.

2. How is a one dimensional complex space different from a one dimensional real space?

A one dimensional complex space has a basis vector that can be multiplied by complex numbers, while a one dimensional real space only allows for multiplication by real numbers. This means that a one dimensional complex space has more degrees of freedom.

3. What are some real-life applications of one dimensional complex spaces?

One dimensional complex spaces are commonly used in signal processing, specifically in the representation of complex signals. They are also used in quantum mechanics to represent the spin states of particles.

4. Can a one dimensional complex space be visualized?

No, a one dimensional complex space cannot be visualized in the traditional sense because it involves complex numbers, which have both a real and imaginary component. However, it can be represented mathematically and can be understood through equations and diagrams.

5. How is a one dimensional complex space related to the complex plane?

A one dimensional complex space is a subset of the complex plane, as it only includes vectors with a single basis vector. This means that any vector in a one dimensional complex space can be represented as a point on the complex plane.

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