Gregor Bruns

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location Leipzig, Germany
age 25
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Currently a graduate student at University of Leipzig. I'm interested in arithmetic geometry and modular forms.


30 Answers

newest activity votes
3
Is the intersection of two quasi-compact open subsets of a scheme quasi-compact?
2
Find a normal extension over $\mathbb{Q}$ of degree 3
0
non-symmetric positive definite matrix!?
1
Are rings with the same finite cardinality isomorphic?
0
molarity question calculation
4
Associated points of a scheme are contained in an open subset
1
Schemes covered by finitely-many affine open subsets
1
How to show that a form on $\mathbb{C}$ defines a holomorphic $1$-form on $\mathbb{C}/\Gamma$?
3
Are all projection maps in a categorical product epic?
2
Binary notation in Magma
1
Vakil's Foundations of Algebraic Geometry, Exercise 5.5.E
1
proof of chinese remainder theorem for ring
2
Doubts about fundamental theorem of Homomorphism
2
Prove that there is no value of the integers $x,y,z$ satisfied the equation: $19^x + 5^y + 1980z = 1975^{4^{30}} + 2010$
2
What is the purpose of the characteristic exponent?
1
Smallest value of image set of a function
4
Proving that matrix $B=C$
5
Graph theory: adjacency vs incident
0
For which $\mathbf X$ (matrix) does there exist a scalar $c$ such that $\mathbf{AX} = c\mathbf{X}$? ($\mathbf A$ is a matrix, in the message)
3
why do I need to specify a negative when summing to a negative number?
1
Solving this linear system based on the combustion of methane, has no constants
3
Exposition on hyperelliptic curves
2
e's with x in the exponents: Gotta solve for x.
0
Fractional equation
7
Space of Germs of Holomorphic Function
2
modulus of $\sin(z)$ where $z$ is a complex number
1
Find and Classify Singularities
0
Drawing on calculator, Parametric Equation. What does the “pitch” do? Casio
4
Extensions of $\mathbb{Q}$
1
How to plot $\{z \in \mathbb{C} : |z-i|>|z+i|\}$