Giuseppe Negro's user avatar
Giuseppe Negro's user avatar
Giuseppe Negro's user avatar
Giuseppe Negro
  • Member for 13 years, 1 month
  • Last seen this week
15 votes
3 answers
2k views

Is there a non-constant function on the sphere that diagonalizes all rotations simultaneously?

7 votes
2 answers
946 views

Fractional Laplacian and stereographic projection

4 votes
1 answer
323 views

To give an estimate for the maximal function associated to the Schrödinger group by using a measurable selector function

4 votes
1 answer
340 views

Is the set of norming vectors weakly closed?

4 votes
2 answers
305 views

Do all unitary representations weakly converge to zero at infinity?

3 votes
1 answer
221 views

Is there a metric on Euclidean space that turns the Helmholtz equation into the Laplace equation?

3 votes
2 answers
888 views

Positive definiteness of infinite tridiagonal matrices

2 votes
1 answer
133 views

The blow-up rate of a nonlinear oscillator

1 vote
0 answers
860 views

Obtaining a pointwise bound on the convolution of two singular measures