Manuel Norman's user avatar
Manuel Norman's user avatar
Manuel Norman's user avatar
Manuel Norman
  • Member for 3 years, 9 months
  • Last seen more than a month ago
8 votes

What is the reason for the term "zero dimensional" in the context of topology?

4 votes
Accepted

How would I write the product of something whilst also omitting an element?

4 votes
Accepted

Structured math learning(how to learn maths step by step?) and resources for all the courses mainly books

4 votes

Another definition of normal operator

4 votes

Why are exact differential equations called so?

3 votes
Accepted

Show the correctness of this derivation to the Taylor's Theorem?

3 votes
Accepted

Which is the standard notation for an infinite summation (or any summation-like operator) without indexes?

3 votes
Accepted

Let $z, w \in \mathbb{C}$. Prove that if $zw$ and $z + w \in \mathbb{R}$, then $z = \bar{w}$

3 votes

Why does this cross ratio equal infinity?

3 votes

Show that the following theorem is true or false: If $x\notin\Bbb Q$ then $x^2\notin\Bbb Q$.

2 votes
Accepted

Given $F(x)=\int\limits_x^{x^2}\frac{\sin t}{t}dt$, find $\lim_{x\rightarrow 0}F(x)$ and $\lim_{x\rightarrow 0}F'(x)$

2 votes
Accepted

Show that if $\phi$ is an odd function on $(-l,l)$, its full Fourier series on $(-l,l)$ only has sine terms.

2 votes

What is the best book for the following mentioned courses?Internet resources too please.

2 votes
Accepted

Mathematical induction method for a problem

2 votes
Accepted

A question on limitsup

2 votes
Accepted

Interpretation of the notation $x = (x_1,x_2)\in \{0,1\}^2$?

2 votes
Accepted

Value of a contour Integral

2 votes

Rational or Irrational?

2 votes

Proving $d\omega(X,Y) = X\omega(Y)-Y\omega(X) - \omega([X,Y])$ without choosing local coordinates.

2 votes

Discriminant of $x^4 - 7$

2 votes

The exponential form of $1-xe^{i \theta}$

2 votes

What do $\min{[f,g]}$ and $\max{[f,g]}$ mean in my proof of continuity?

2 votes
Accepted

What about of the irrationality and transcendence of expressions involving the omega constant, and/or $\pi$ and $e$?

2 votes

Calculate the following integral $\int_{|z|=1}\frac{z^m}{(z-a)^n}dz$

2 votes

Why is $a$ the derivative of $f(x)=ax$?

2 votes

Derivative when function approaches infinity.

1 vote

A proof of why $y=mx$ grows faster than $y=\ln x$ for all $m \not = 0$

1 vote
Accepted

Can I always change the order of integration in an ordered multidimensional integral?

1 vote

Excluding a specific index when writing out a sum

1 vote
Accepted

Proof of (8.50) in the book Advanced Functional Analysis