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AmirHosein Sadeghimanesh's user avatar
AmirHosein Sadeghimanesh's user avatar
AmirHosein Sadeghimanesh's user avatar
AmirHosein Sadeghimanesh
  • Member for 11 years, 7 months
  • Last seen more than a month ago
13 votes
Accepted

What is the difference between a field and a sigma field?

11 votes

Are There Any Symbols for Contradictions?

10 votes
Accepted

Some questions about tropical geometry: graphs of tropical curves.

9 votes

Is this a linear transformation?

9 votes

Critiques on proof showing $\sqrt{12}$ is irrational.

8 votes

How do you know if a function only yields a certain kind of number?

8 votes
Accepted

Calculating $\sum_{k=1}^nk(k!)$ combinatorially

8 votes
Accepted

When do we use Tensor?

7 votes

Determining complex eigenvalues of a real $3\times 3$ matrix

6 votes

Proper ideals in $\mathbb{Q}[x,y,z]$

6 votes
Accepted

Buchberger's algorithm

6 votes
Accepted

Compatible Hilbert space subspaces - need help understanding a statement made in a book

5 votes

Finding the projection matrix of $\mathbb R^3$ onto the plane $x-y-z=0$

5 votes
Accepted

An algorithmic method to simplify the mathematical modeling of a reaction network using conservation laws

4 votes
Accepted

Showing that $\overline{\mathbb{Z}}/n\overline{\mathbb{Z}}$ is infinite

4 votes

Reference request : Ergodic theory and Number theory

4 votes
Accepted

let $A\in M{_n}\ (\mathbb R)$ s.t $A^2=I$ such that $A\neq I$, $A\neq -I$ how prove $-(n-1)\le tr A\le n-1$

4 votes

How to prove it is not a $\sigma$-field?

4 votes

The shape of elements of schemes

4 votes

What is the symbol to refer to the set of whole numbers

4 votes
Accepted

An equivalent condition for zero dimensional Noetherian local rings

4 votes
Accepted

Cardinality of the quotient field of power series ring

4 votes

A certain valuation of $k(X,Y)$ with value group $\mathbb{Z}+\mathbb{Z}\alpha$

4 votes
Accepted

Continuity upon trivial topology

3 votes
Accepted

Prove that an element of the basis is an element of the Kernel after linear transformation

3 votes
Accepted

Partial fraction decomposition of $\frac{x-4}{(x-2)(x-3)}$

3 votes
Accepted

Hints about Exercise 4.2 in Miles Reid, Undergraduate Commutative Algebra

3 votes

Applications of the Jordan-Hölder Theorem.

3 votes

How to solve $\upsilon^\upsilon=\upsilon+1$

3 votes
Accepted

Is the hypercube graph $\{0,1\}^k$ bipartite?