Stefan Waldmann

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Name Stefan Waldmann
Member for 2 years
Seen May 17 at 12:16
Website
Location Erlangen, Germany
Age 41
Interests: Mathematical Physics, Deformation Quantization, Poisson and Symplectic Geometry, Noncommutative Geometry. Fréchet algebraic deformations.
8

Questions
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Borel Lemma for vector-valued functions

dec 6 11 at 22:24 Stefan Waldmann 2,806●1●7●22

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Hilbert’s 17th Problem for smooth functions

oct 2 at 11:28 Peter Michor 5,422●10●17

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Action of $ax+b$ with compact support

jan 27 11 at 13:43 Bill Thurston 17.6k●8●62●100

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Notation for growth $a_n \le c (n!)^\epsilon$

jun 14 11 at 18:06 Pietro Majer 19.7k●1●24●69

 

67

Answers
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19
What is a Lagrangian submanifold intuitively?
16
A series of articles should be published all in the same journal, or in different journals?
14
Can a sphere be a phase space?
12
Quantum mechanics formalism and C*-algebras
11
Why should one still teach Riemann integration?
11
Surprising and Useful Physical Intuition for Mathematical Objects
10
Relationship between “different” quantum deformations
9
Quantum mathematics?
9
A Book You Would Like to Write
9
Is the quantum algebra unique (up to isomorphism) in deformation quantization ?
8
“Nash Style” Embedding Theorem for Connections
8
Norm continuous infinite dimenisonal representation of a Lie group
7
Quantization and noncommutative deformations
7
Elementary+Short+Useful
6
Is there an integration free proof (or heuristic) that once differentiable implies twice differentiable for complex functions?
6
books well-motivated with explicit examples
6
Down-To-Earth Uses of de Rham Cohomology to Convince a Wide Audience of its Usefulness
6
When should a supervisor be a co-author?
6
frechet manifolds book
6
Symbol of pseudodiff operator
5
What is a complex inner product space “really”?
5
Which commutative algebras admit a nonzero Poisson bracket?
5
Groupoid actions on spaces
5
In the dictionary between Poisson and Quantum, what corresponds to Coisotropic?
5
Which functions have all derivatives everywhere positive?
5
What are your favorite instructional counterexamples?
4
Geometry and Integrability in Other Bundles
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Reference for working with the implicit function theorem
4
Describe a topic in one sentence.
4
Why can we define the moment map in this way (i.e. why is this form exact)?
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