timur

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Name timur
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Counterexamples in PDE

jan 8 at 1:42 soulphysics 328●1●9

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13
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8
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1k
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Continued fractions using all natural integers

may 7 10 at 14:30 SJR 3,082●1●6●16

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3
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1k
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History of fundamental solutions

sep 10 11 at 7:26 timur 1,299●1●9●19

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8
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1
answer
216
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Applications of pseudodifferential operators to PDE

apr 19 at 15:19 timur 1,299●1●9●19

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6
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1
answer
653
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History of Sobolev space notations

aug 27 at 13:46 Carlo Beenakker 5,821●10●20

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5
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1
answer
240
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Lower bound on the solution of a Schrödinger-type equation

may 9 12 at 17:02 Michael Renardy 4,771●1●10●17

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3
answers
714
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Trace theorem for $C^{k,1}$ domains

apr 25 12 at 13:52 Elias Pipping 31●3

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0
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192
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Dirichlet-to-Neumann map on $C^{k,1}$ domains

jul 3 11 at 4:44 timur 1,299●1●9●19

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68

Answers
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57
Which mathematicians have influenced you the most?
9
History of fundamental solutions (2)
7
Examples of seemingly elementary problems that are hard to solve?
7
Examples of great mathematical writing
7
Counterexamples in PDE
6
Still Difficult After All These Years
6
What happens to Newtonian systems as the mass vanishes?
6
What is the main goal of a paper, really?
5
A property of weakly harmonic functions
5
Ways to Synthesize Topics in Linear Algebra
5
The Hölder continuity condition of the Schauder estimates
4
Favorite popular math book
4
Top specialized journals
4
How often do people read the work that they cite?
4
What do we know about the semigroup $e^{it\sqrt{-\Delta}}$
4
Knight tour prime (conjecture)
3
Open problems in PDEs, dynamical systems, mathematical physics
3
easy(?) probability/diff eq. question
3
Applications of geometric evolution equations.
3
MathSciNet vs Google Scholar
3
A simple example where elliptic boundary regularity fails due to a kink in the domain
2
Reference request for conceptual numerical analysis
2
How to solve the linearized Navier-Stokes equations in L^P?
2
Ways to prove the fundamental theorem of algebra
2
Way to memorize relations between the Sobolev spaces?
2
Can we calculate the inner product of a semicontinous function with the Dirac delta function?
2
Any good books on numerical methods for ordinary differential equations?
2
ODE continuous dependence on parameters to PDE
2
Linear coupled parabolic PDE system with Holder continuous coefficients
2
Boundary regularity for the Dirichlet problem
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