Continuity of maps between function spaces and normed spaces
[14/79%]Will the mapping of the space (see problem 31) into itself be continuous, if it is given by the formula:
, where is a fixed function from , and
?
Will the mapping of the space (see problem 3.5) into itself be continuous?
Let (see problem 93). Will the mapping , given by the formulas , be continuous?
Are the following mappings of the space (see problem 31) into itself continuous:
;
?
Are the following mappings of the space (see problem 3, part 8) into itself continuous:
, where is a fixed function continuous on the segment ;
;
Will the mapping be continuous, if it is considered as a mapping:
of (see problem 31) into ;
of (see problem 3, part 8) into ?
Is differentiation, regarded as a mapping of the subspace consisting of continuously differentiable functions of the space (see problem 31) into the space itself, continuous?
Is differentiation, regarded as a mapping of the space (see problem 93) onto the space (see problem 31), continuous?
Let be defined by , and let . Find .
Let be a metric on defined by
(see Exercise 2.1.3). Let be defined by , and let . Find .
Let be a metric on defined by
(see Exercise 2.1.8), and let denote the usual distance on . Let be defined by . Find .
For a normed linear space , show that the function is continuous.
Let be a normed linear space.
Let and be sequences in such that and . Show that for any real numbers and .
Use (i) to show that if is a subspace of , then its closure also is a linear subspace of .
Use (i) to show that the vector sum is continuous from to and scalar multiplication is continuous from to .
Verify that the functions defined by (4.42) are continuous on .