Recent activity in Open problems

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4 answers 10235 views

Why is the fine structure constant roughly 1/137? Conjectures?

commented Jul 31 in Open problems by Vladimir Kalitvianski (112 points)

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2 answers 1974 views

Should retarded gravitational potentials being considered in cosmology ?

commented Jul 31 in Open problems by Arnold Neumaier (15,787 points)

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2 answers 6552 views

Experimental boundaries for size of electron?

commented Jul 31 in Open problems by Arnold Neumaier (15,787 points)

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1 answer 515 views

Calculate the equivalent resistance.

answered Jul 28 in Open problems by G.ZION

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1 answer 2199 views

Is the cosmological horizon very slightly gravitationally repulsive?

commented Jul 14, 2025 in Open problems by Vladimir Kalitvianski (112 points)

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0 answers 992 views

Could the W, the Z or the Higgs form "molecules", i.e., bound states?

edited May 29, 2024 in Open problems by CrazyCat

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0 answers 2346 views

Has the running of the electron mass ever been measured? Is it possible at the LHC?

edited Apr 30, 2024 in Open problems by Benoît

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0 answers 2459 views

is there any truth in this answer? and if so why the problem is considered to be not solved?

comment moved Apr 28, 2024 in Open problems by Arnold Neumaier (15,787 points)

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0 answers 2338 views

Does the electric charge run differently with energy for electrons and for W bosons?

commented Sep 19, 2023 in Open problems by Klaus

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0 answers 1145 views

Numerical reconstruction of Einstein's field equations

asked Feb 3, 2023 in Open problems by user287658762

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0 answers 1312 views

Is space made of fluctuating lines?

edited Dec 26, 2022 in Open problems by Michael

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0 answers 1744 views

Relativistic particle in Coulomb field

commented Oct 1, 2022 in Open problems by Vladimir Kalitvianski (112 points)

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0 answers 2300 views

The value of a theory of non-abelian gerbes?

commented Jul 2, 2022 in Open problems by Quantumnessie (90 points)

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0 answers 2126 views

I need formulas analogous to those in the article in which the leptons are made, for the appropriate collisions and products?

asked Mar 8, 2022 in Open problems by Patrycja

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0 answers 2157 views

Find out the magnitude of the force acting on the charge?

commented Feb 27, 2022 in Open problems by Dilaton (6,240 points)

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0 answers 2685 views

Can the weak force be considered residual?

commented Jan 28, 2022 in Open problems by Dilaton (6,240 points)

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0 answers 1662 views

Can we model particles of the electroweak sector as Einstein-Rosen bridges (wormholes)?

edited Aug 10, 2021 in Open problems by Jon dough (5 points)

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3 answers 5443 views

Is concept expressed in "Autodidactic Universe" article plausible?

answered May 26, 2021 in Open problems by Sean s.

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0 answers 2800 views

A conjecture on mass of photon

commented Nov 11, 2020 in Open problems by Flamma (160 points)

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0 answers 2189 views

How to find the stationary and time dependent solution of pauli master equation

edited May 7, 2020 in Open problems by Dim (5 points)

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0 answers 2691 views

Is the g-factor of a charged black hole 2 or is it 2+alpha/pi?

commented Apr 11, 2020 in Open problems by Magnetic Lady

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1 answer 2299 views

Dirac particle confined to a ring

answer edited Feb 3, 2020 in Open problems by Vladimir Kalitvianski (112 points)

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1 answer 4277 views

Is the electron-g-factor related to Dirac's string trick?

answer edited Dec 26, 2019 in Open problems by Arnold Neumaier (15,787 points)

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0 answers 3147 views

A block of mass m is dropped onto the top of a vertical spring

commented Dec 22, 2019 in Open problems by Dilaton (6,240 points)

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0 answers 3976 views

Is the fine structure constant the phase change when a photon is emitted?

commented Dec 16, 2019 in Open problems by anonymous

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0 answers 1747 views

Change in quantities due the measurement?

edited Nov 14, 2019 in Open problems by Asaint (90 points)

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0 answers 1436 views

Achieve geosynchronous orbital speeds at leo while moving relative to an electric field

asked Oct 3, 2019 in Open problems by anonymous

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0 answers 1450 views

Can one quantify the total luminosity of the cosmological horizon?

edited Aug 4, 2019 in Open problems by Frauke

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1 answer 3763 views

Are the viscosity and the volume of a fluid related by an uncertainty relation?

commented Jun 4, 2019 in Open problems by anonymous

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1 answer 2376 views

Violation of Virial theorem as indication to ergodicity breaking

answered Jan 23, 2019 in Open problems by Void (1,645 points)

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0 answers 1819 views

Proposed experimental cosiderations of a micro-mechanical oscilator in a superposition state

comment edited Jan 16, 2019 in Open problems by anonymous

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1 answer 4811 views

The greatest quadruple moment

comment edited Nov 29, 2018 in Open problems by reterty (-5 points)

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1 answer 2506 views

Does size matter to relativity?

answered Sep 5, 2018 in Open problems by mathnphys (0 points)

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0 answers 4314 views

Why is the standard model wrong?

comment edited Apr 4, 2018 in Open problems by Arnold Neumaier (15,787 points)

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0 answers 1769 views

How to integrate when zero is in denominator?

asked Apr 3, 2018 in Open problems by nick_name (0 points)

+ 2 like - 1 dislike

0 answers 1720 views

How to proof that a gamma matrix is a 1-tensor

asked Mar 25, 2018 in Open problems by anonymous

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0 answers 1899 views

Is the ground state of the Kitaev model approximately a singlet?

edited Feb 18, 2018 in Open problems by Aztec (15 points)

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0 answers 2566 views

What is the future of causal structure: Domains or wiring diagrams?

asked Nov 24, 2017 in Open problems by bensprott (35 points)

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1 answer 2802 views

Replica Trick for Bimodal Disorder Distribution

answered Jun 27, 2017 in Open problems by TDowning (55 points)

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0 answers 2287 views

Discovery of anti-deuteron and the implication of CPT violation

edited Mar 21, 2017 in Open problems by wonderich (1,500 points)

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0 answers 1866 views

Efimov effect in QCD

retagged Mar 20, 2017 in Open problems by anonymous

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0 answers 2003 views

(Zoo of) Phase transitions in SUSY gauge theories

edited Mar 11, 2017 in Open problems by wonderich (1,500 points)

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1 answer 3016 views

Boundary correlations in the 2D Ising model: a 50-year-old open problem

answer edited Nov 21, 2016 in Open problems by Yvan Velenik (1,110 points)

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1 answer 8579 views

What are the limitations of the superspace formalism?

recategorized Aug 16, 2016 in Open problems by Dilaton (6,240 points)

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0 answers 3148 views

Higgs as toponium bootstrap?

comment edited May 11, 2016 in Open problems by Mitchell Porter (1,950 points)

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0 answers 1604 views

Color Confinement under Color charge dipole and quadrupole moments

edited Sep 24, 2015 in Open problems by CharlesJQuarra (555 points)

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1 answer 4398 views

Why Are Even and Odd Regge Trajectories Degenerate?

recategorized Aug 28, 2014 in Open problems by dimension10 (1,985 points)

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1 answer 14999 views

Exotic spheres in string/M-theory

answered Jul 17, 2014 in Open problems by Urs Schreiber (6,085 points)

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