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pppqqq
  • Member for 11 years, 5 months
  • Last seen this week
  • Rome, Italy
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I am a student of Theoretical High Energy Physics at Università La Sapienza, Roma.

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48
What do people actually mean by "rolling without slipping"?
May 14, 2013
29
Isn't D'Alembert's wave equation enough to see that Galilean transformations are wrong?
Jan 30, 2017
16
Mechanical similarity in Landau
Jun 29, 2013
12
What's the point of Hamiltonian mechanics?
Dec 7, 2013
11
Calculating Green's function from Dyson's series without normal ordering
Jan 14, 2017
9
Interpretation of "transition rate" in Fermi's golden rule
Dec 26, 2015
8
$\theta$ angle QCD technically natural
Apr 24, 2019
8
Why can the pion decay into two photons?
Dec 26, 2018
8
What is the decay width and why is it given in energy units?
Aug 1, 2016
8
Dispensing with the "a priori equal probability" postulate
Apr 25, 2015
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31
If $f,g$ are continuous at $a$, show that $h(x)=\max\{f(x),g(x)\}$ and $k(x)=\min\{f(x),g(x)\}$ are also continuous at $a$
23
Do the BAC-CAB identity for triple vector product have some intepretation?
10
If $a>1$, prove that $\lim_{n \rightarrow \infty } a^n = \infty$
7
Example of an increasing, integrable function $f:[0,1]\to\mathbb{R}$ which is discontinuous at all rationals?
7
Definition of the Hamiltonian via Legendre transform.