Recent activity in Open problems

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4 answers 9290 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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3 answers 1722 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 6065 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 417 views

Calculate the equivalent resistance.

answered Jul 28 in Open problems by G.ZION

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1 answer 2059 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 933 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 2171 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 2306 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 2161 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 1090 views

Numerical reconstruction of Einstein's field equations

asked Feb 3, 2023 in Open problems by user287658762

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0 answers 1248 views

Is space made of fluctuating lines?

edited Dec 26, 2022 in Open problems by Michael

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0 answers 1639 views

Relativistic particle in Coulomb field

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

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0 answers 2182 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 2070 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 2038 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 2512 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 1588 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 5115 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 2628 views

A conjecture on mass of photon

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

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0 answers 2113 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 2564 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 2186 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 4018 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 3049 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 3738 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 1665 views

Change in quantities due the measurement?

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

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0 answers 1377 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 1395 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 3541 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 2278 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 1726 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 4477 views

The greatest quadruple moment

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

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1 answer 2378 views

Does size matter to relativity?

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

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0 answers 4146 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 1697 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 1624 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 1825 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 2463 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 2643 views

Replica Trick for Bimodal Disorder Distribution

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

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0 answers 2177 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 1773 views

Efimov effect in QCD

retagged Mar 20, 2017 in Open problems by anonymous

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0 answers 1903 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 2846 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 7932 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 2982 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 1532 views

Color Confinement under Color charge dipole and quadrupole moments

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

+ 8 like - 0 dislike

1 answer 14687 views

Exotic spheres in string/M-theory

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

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1 answer 4116 views

Why Are Even and Odd Regge Trajectories Degenerate?

answered Aug 19, 2012 in Open problems by QuantumDot (195 points)

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