Piotr Benedysiuk's user avatar
Piotr Benedysiuk's user avatar
Piotr Benedysiuk's user avatar
Piotr Benedysiuk
  • Member for 8 years, 3 months
  • Last seen more than 1 year ago
  • Delft
5 votes
2 answers
2k views

Is $C[0,1]$ a Banach space for the $L^1$ norm?

4 votes
0 answers
584 views

Eigenvalues and eigenfunctions of differential operator.

4 votes
1 answer
2k views

Haar system forms an orthonormal system in $L_2[0,1]$

4 votes
2 answers
321 views

Maxima of almost quadratic function.

4 votes
0 answers
152 views

Stability criterion for leapfrog in relativistic physics.

4 votes
1 answer
401 views

Quadratic first integrals

2 votes
2 answers
648 views

Dirac delta definition with $i \epsilon$.

2 votes
1 answer
190 views

Inverse of almost quadratic functions

1 vote
0 answers
63 views

Two particle operators

1 vote
2 answers
313 views

Barnes Hut algorithm performance and error bounds

0 votes
1 answer
174 views

Sine-Gordon equation solved by SoV

0 votes
0 answers
17 views

Necessary condition for Hermician lin operators

0 votes
1 answer
102 views

States uniquely defined by operators

0 votes
1 answer
55 views

$\frac{1}{r^2}$ potentials in a Hamiltonian, standard ODE's.

0 votes
0 answers
42 views

Invertable normal equations

0 votes
1 answer
71 views

L spaces, notation and proper definitions.

0 votes
1 answer
67 views

Insight onto L spaces