On Tuesday, June 11, 2019 at 6:36:00 PM UTC-5, Lawrence Crowell wrote:
>
> On Tuesday, June 11, 2019 at 2:09:41 PM UTC-5, Philip Thrift wrote:
>>
>>
>>
>> On Tuesday, June 11, 2019 at 12:27:07 PM UTC-5, Lawrence Crowell wrote:
>>>
>>> On Tuesday, June 11, 2019 at 7:13:55 AM UTC-5, Philip Thrift wrote:
>>>>
>>>>
>>>>
>>>> On Tuesday, June 11, 2019 at 6:38:41 AM UTC-5, Lawrence Crowell wrote:
>>>>>
>>>>> ...
>>>>> This trend has galloped off into some sort of nonsense. Some of these 
>>>>> people are fairly well known, such as Dowkers, Wharton, Sorkin and 
>>>>> Deutsch, 
>>>>> but they have all gone into some sort of fantasy land. It is too bad in a 
>>>>> way that Bohr is not still alive to shake his finger at these folks. It 
>>>>> appears that in some ways this is a case of Alan Ginsburg's *Howl*, 
>>>>> with "I have seen the best minds of this generation go mad." These ideas 
>>>>> are so patently wrong, that with a fairly basic even minimal argument 
>>>>> based 
>>>>> on plain vanilla QM they can be seen as false.
>>>>>
>>>>> LC
>>>>>  
>>>>>
>>>>>>
>>>>>>
>>>> So *Fay Dowker *and *Rafael Sorkin *
>>>>
>>>>    https://en.wikipedia.org/wiki/Fay_Dowker
>>>>    https://en.wikipedia.org/wiki/Rafael_Sorkin
>>>>
>>>> are now in fantasy land. 
>>>>
>>>> You want to turn physics into a religious fundamentalist cult.
>>>>
>>>> @philipthrift
>>>>
>>>
>>> Sorry, but there are trends in academia where people by virtue of their 
>>> position are able to promote nonsense. I think Jonathan Swift had a bit to 
>>> say with the the floating island of Laputia, which was a knock on academia. 
>>>
>>> The problem with Dowker and her path integral ideas is the path integral 
>>> is a math method; it has no additional physical content. In fact in general 
>>> in the way it is written it has less content because it is expanded around 
>>> a classical extremum. QFT is much the same. QFT sets commutators of 
>>> observables with spacelike separations to zero, when quantum mechanics in 
>>> its pure setting tells us there is nonlocality and this condition is an 
>>> auxiliary postulate meant to ease calculations. String theory has some 
>>> "funnies" to it as well. The interesting thing about the holographic 
>>> principle with black holes is it tells us that quantum fields are 
>>> projections from fields near the horizon where Lorentz symmetry has these 
>>> quantum field in a time dilated and nonrelativistic QM form. In effect 
>>> plain vanilla QM, the stuff in Merzbacher or Cohen-Tannoudji etc is really 
>>> the fundamental stuff. 
>>>
>>> Along these lines with fundamental physics, with exceptional group 
>>> theory, Leech lattice, and Jordan algebras etc, the theta representation of 
>>> these involve equations that in complex form are Schrodinger equations. In 
>>> a Euclideanized form they are heat equations with heat kernel solutions. 
>>> When applied to the integral representation of qubits on a stretched 
>>> horizon it does suggest that in some fancy way, say with relationships 
>>> between entanglements, causality and spacetime, the most fundamental theory 
>>> of the universe is just plain QM. 
>>>
>>> I would strongly advise anyone to avoid ideas about hidden variables or 
>>> in this case ideas of advanced potentials that in ways "wire up" the 
>>> appearance of nonlocality with local rules. For various reasons these ideas 
>>> are not consistent with QM, and at the end of it all these ideas do not 
>>> produce QM as some derived result, but rather demolish it. 
>>>
>>> LC
>>>
>>
>>
>>
>> So Dowker (professor of theoretical physics at Imperial College London) 
>> is misguided and you are not. Who are you?
>>
>> The main idea of "Lost in Math" (Sabine Hossenfelder) addresses the 
>> fundamentalist mindset expressed above that traps many (she would know more 
>> how many, being around them) physicists.
>>
>
> Actually Sabine's argument is about people in positions at schools 
> spinning off nonsense. I have actually read her book.
>
> LC
>  
>
>>
>> Better to consider Feyerabend and reject fundamentalist certainty.
>>
>> "All descriptions of reality are inadequate. You think that this one-day 
>> fly, this little bit of nothing, a human being--according to today's 
>> cosmology!--can figure it all out? This to me seems so crazy! It cannot 
>> possibly be true!"
>>
>> https://blogs.scientificamerican.com/cross-check/was-philosopher-paul-feyerabend-really-science-s-worst-enemy/
>>
>> @philipthrift
>>
>
 

So then you are also OK with (which expresses the philosophy underlying the 
book)

*The End of Theoretical Physics As We Know It*
by Sabine Hossenfelder
https://www.quantamagazine.org/the-end-of-theoretical-physics-as-we-know-it-20180827/

*Beyond Math* 
by Sophia Magnusdottir (actuailly Sabine Hossenfelder)
https://fqxi.org/data/essay-contest-files/Magnusdottir_fqxi15.pdf


@philipthrift 

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