Search FQXi


If you are aware of an interesting new academic paper (that has been published in a peer-reviewed journal or has appeared on the arXiv), a conference talk (at an official professional scientific meeting), an external blog post (by a professional scientist) or a news item (in the mainstream news media), which you think might make an interesting topic for an FQXi blog post, then please contact us at forums@fqxi.org with a link to the original source and a sentence about why you think that the work is worthy of discussion. Please note that we receive many such suggestions and while we endeavour to respond to them, we may not be able to reply to all suggestions.

Please also note that we do not accept unsolicited posts and we cannot review, or open new threads for, unsolicited articles or papers. Requests to review or post such materials will not be answered. If you have your own novel physics theory or model, which you would like to post for further discussion among then FQXi community, then please add them directly to the "Alternative Models of Reality" thread, or to the "Alternative Models of Cosmology" thread. Thank you.

Contests Home

Current Essay Contest


Contest Partners: Nanotronics Imaging, The Peter and Patricia Gruber Foundation, and The John Templeton Foundation
Media Partner: Scientific American


Previous Contests

Undecidability, Uncomputability, and Unpredictability Essay Contest
December 24, 2019 - April 24, 2020
Contest Partners: Fetzer Franklin Fund, and The Peter and Patricia Gruber Foundation
read/discuss

What Is “Fundamental”
October 28, 2017 to January 22, 2018
Sponsored by the Fetzer Franklin Fund and The Peter & Patricia Gruber Foundation
read/discusswinners

Wandering Towards a Goal
How can mindless mathematical laws give rise to aims and intention?
December 2, 2016 to March 3, 2017
Contest Partner: The Peter and Patricia Gruber Fund.
read/discusswinners

Trick or Truth: The Mysterious Connection Between Physics and Mathematics
Contest Partners: Nanotronics Imaging, The Peter and Patricia Gruber Foundation, and The John Templeton Foundation
Media Partner: Scientific American

read/discusswinners

How Should Humanity Steer the Future?
January 9, 2014 - August 31, 2014
Contest Partners: Jaan Tallinn, The Peter and Patricia Gruber Foundation, The John Templeton Foundation, and Scientific American
read/discusswinners

It From Bit or Bit From It
March 25 - June 28, 2013
Contest Partners: The Gruber Foundation, J. Templeton Foundation, and Scientific American
read/discusswinners

Questioning the Foundations
Which of Our Basic Physical Assumptions Are Wrong?
May 24 - August 31, 2012
Contest Partners: The Peter and Patricia Gruber Foundation, SubMeta, and Scientific American
read/discusswinners

Is Reality Digital or Analog?
November 2010 - February 2011
Contest Partners: The Peter and Patricia Gruber Foundation and Scientific American
read/discusswinners

What's Ultimately Possible in Physics?
May - October 2009
Contest Partners: Astrid and Bruce McWilliams
read/discusswinners

The Nature of Time
August - December 2008
read/discusswinners

Forum Home
Introduction
Terms of Use

Order posts by:
 chronological order
 most recent first

Posts by the author are highlighted in orange; posts by FQXi Members are highlighted in blue.

By using the FQXi Forum, you acknowledge reading and agree to abide by the Terms of Use

 RSS feed | RSS help
RECENT POSTS IN THIS TOPIC

wewriteessay: on 5/7/20 at 19:17pm UTC, wrote Students Assignment Help serves the best assignment help Hamilton services...

wewriteessay: on 5/7/20 at 19:16pm UTC, wrote Students Assignment Help serves the best assignment help Hamilton services...

ascasca: on 5/7/20 at 19:13pm UTC, wrote dvsdva

Armin Nikkhah Shirazi: on 4/17/15 at 9:13am UTC, wrote Dear Sascha, Of all the essays I have read so far, yours is unique in...

Gary Simpson: on 4/16/15 at 21:56pm UTC, wrote Sascha, This was a very clearly written essay. I am an engineer and have...

Joe Fisher: on 4/9/15 at 16:01pm UTC, wrote Dear Sascha, I think Newton was wrong about abstract gravity; Einstein was...

Sascha Agne: on 3/25/15 at 0:30am UTC, wrote I don't mean to be disrespectful either but what has your reply to do with...

Sascha Agne: on 3/11/15 at 19:49pm UTC, wrote Essay Abstract Simple mathematical structures such as numbers or...


RECENT FORUM POSTS

H.H.J. Luediger: "Even darker.... one can not easily downrate a racehorse to a donkey, but..." in Undecidability,...

Steve Agnew: "Well thank-you, you are very kind. I have come to appreciate the fact that..." in Quantum Dream Time

Samuel Parsons: "O also means a whole new universe in a box can be recreated a miniverse..." in Outside the Box

Samuel Parsons: "Is it 127? It's always comes back here. Just saying also I'm trying to..." in Outside the Box

Zeeya Merali: "INSPYRE, INternational School on modern PhYsics and REsearch, organized by..." in Welcome to INSPYRE 2020 -...

David Sloan: "Dear Alan, For any discussion regarding the essay contest, the contact..." in Undecidability,...

Jonathan Dickau: "Thank you Peter... For the kind words of explanation. It is looking like..." in From Cosmic Lighthouses...

Lawrence Crowell: "Tejinder, I was intrigued by your FQXi essay. Thanks for this reference to..." in Alternative Models of...


RECENT ARTICLES
click titles to read articles

Building Agency in the Biology Lab
Physicists are using optogenetics techniques to make a rudimentary agent, from cellular components, which can convert measurements into actions using light.

Think Quantum to Build Better AI
Investigating how quantum memory storage could aid machine learning and how quantum interactions with the environment may have played a role in evolution.

Outside the Box
A proposed quantum set-up that could predict your game-playing strategy resurrects Newcomb’s classic quiz show paradox.

The Quantum Agent
Investigating how the quantum measurement process might be related to the emergence of intelligence, agency and free will.

First Things First: The Physics of Causality
Why do we remember the past and not the future? Untangling the connections between cause and effect, choice, and entropy.


FQXi FORUM
May 28, 2020

CATEGORY: Trick or Truth Essay Contest (2015) [back]
TOPIC: How to faithfully map a mathematical structure to an experimental situation by Sascha Agne [refresh]
Bookmark and Share
Login or create account to post reply or comment.

Author Sascha Agne wrote on Mar. 11, 2015 @ 19:49 GMT
Essay Abstract

Simple mathematical structures such as numbers or elementary geometry are directly tied to physical observations. Wigner pondered the existence of similar one-to-one correspondences between more advanced mathematical concepts, such as algebras, and the actual world. The compilation of such a list of “maps" is in itself a formidable research project en route to finding limits of the interplay between mathematics and physics. In this essay we will study the weighing problem, an example given in the 1930s to illustrate the idea of “complex experiments", and construct step by step the underlying group Z2xZ2 and its representations. The concepts involved are advanced enough to highlight a non-trivial link between mathematics and physics without losing the idea midway through the formalism.

Author Bio

I am doing my PhD at the Institute for Quantum Computing, developing novel interferometers and entangled photon sources to test the foundations of quantum mechanics with satellites. I completed a Bachelor of Science in Economics and a Bachelor of Science in Physics at the University of Bonn, Germany, in 2011 and 2012, respectively, and obtained a Master of Science in Quantum Technologies from the University of Leeds, UK, in 2013. Following that, I worked as a research assistant at the Centre for Quantum Technologies, Singapore, and the Max Planck Institute for the Science of Light in Erlangen,

Download Essay PDF File

Bookmark and Share


Author Sascha Agne wrote on Mar. 25, 2015 @ 00:30 GMT
I don't mean to be disrespectful either but what has your reply to do with my essay? As for your "theorem" I don't get it.

Bookmark and Share


Joe Fisher wrote on Apr. 9, 2015 @ 16:01 GMT
Dear Sascha,

I think Newton was wrong about abstract gravity; Einstein was wrong about abstract space/time, and Hawking was wrong about the explosive capability of NOTHING.

All I ask is that you give my essay WHY THE REAL UNIVERSE IS NOT MATHEMATICAL a fair reading and that you allow me to answer any objections you may leave in my comment box about it.

Joe Fisher

Bookmark and Share
report post as inappropriate


Gary D. Simpson wrote on Apr. 16, 2015 @ 21:56 GMT
Sascha,

This was a very clearly written essay. I am an engineer and have worked in chemical plants in the past. I was sent to some training on a topic called experimental design. The objective was to be able to conduct plant tests by performing as few measurements as possible. That training was similar to what you present. The statistical objective was to structure the tests such that the variance would remain as small as possible. The problem in a chemical plant though is that there are so many variances and they are not necessarily constant.

There is another application of what you discuss. In surveying, they always try to use the same datum. Also, in machine shops, the locations of holes and edges are always with respect to the same datum.

This is very practical stuff. Well done.

Best Regards and Good Luck,

Gary Simpson

Bookmark and Share
report post as inappropriate


Armin Nikkhah Shirazi wrote on Apr. 17, 2015 @ 09:13 GMT
Dear Sascha,

Of all the essays I have read so far, yours is unique in pointing out a deep relationship between mathematics and optimal experimental design. Of course, one might have already guessed that such relationships exist, but your example illustrates beautifully that these can sometimes be far from obvious.

I think a possible beneficial side effect for the theoretical side is that examples like the one you gave may help us build intuitions for understanding abstract mathematical structures in more concrete terms. I personally believe that one of the neglected areas in fundamental theoretical physics is in the area of deducing novel physical insights from the "meaning" of abstract representations, and work like yours may facilitate such endeavors.

I hope you will keep a notebook in which you collect examples like the one in your paper and will consider compiling these into a book. It would make unique and valuable contribution both for the experimental and the theoretical side.

Best wishes,

Armin

Bookmark and Share
report post as inappropriate


ascasca wrote on May. 7, 2020 @ 19:13 GMT
dvsdva

Bookmark and Share
report post as inappropriate


wewriteessay wrote on May. 7, 2020 @ 19:16 GMT
Students Assignment Help serves the best assignment help Hamilton services for the students. We have the top assignment writers who Pay Someone To Do My Essay If quality assignment writing services to the students.

Bookmark and Share
report post as inappropriate


wewriteessay wrote on May. 7, 2020 @ 19:17 GMT
Students Assignment Help serves the best assignment help Hamilton services for the students. We have the top assignment writers who Pay Someone To Do My Essay If quality assignment writing services to the students. https://www.wewriteessay.co.uk/

Bookmark and Share
report post as inappropriate


Login or create account to post reply or comment.

Please enter your e-mail address:
Note: Joining the FQXi mailing list does not give you a login account or constitute membership in the organization.