The first detailed images of atoms (electron orbitals, 2009) came from Kharkov, Ukraine2yr ⋅ jarekduda ⋅ r/Physics
[OC] Simple semiconductor electron conductance simulator using MERW: Maximal Entropy Random Walk (available code)1yr ⋅ jarekduda ⋅ r/Simulated
[OC] Maximal Entropy Random Walk (MERW) - often more optimal than naive RW, lots of applications, e.g. shown my conductance model in semiconductor1yr ⋅ jarekduda ⋅ r/dataisbeautiful
The first detailed images of atoms (electron orbitals, 2009) came from Kharkov, Ukraine2yr ⋅ jarekduda ⋅ r/ukraine
Inexpensive atomic-scale conductance model calculating local electron currents e.g. for semiconductor, p-n junction2yr ⋅ jarekduda ⋅ r/electronics
Maximal Entropy Random Walk (MERW) - often more optimal than naive RW, lots of applications1yr ⋅ jarekduda ⋅ r/compsci
Diffusion model of p-n junction (diode) - conductance prevented due to Anderson localization2yr ⋅ jarekduda ⋅ r/Physics
Simple invariants distinguishing at least some strongly regular graphs and their vertices6yr ⋅ jarekduda ⋅ r/compsci
Bitcoin energy consumption from https://cbeci.org/: ~2x growth per year - in 6 years should grow from 1% to ~60% of world energy production ...3yr ⋅ jarekduda ⋅ r/enviroaction
Biological neurons use multidirectional propagation - could/should we recreate it in artificial neurons? Doable e.g. with neurons modelling joint distribution (reduces to ~KAN)1wk ⋅ jarekduda ⋅ r/artificial
Discussion: approaches and thought experiment - consequences of being able to send information back in time?1yr ⋅ jarekduda ⋅ r/timetravel
Maximal Entropy Random Walk (MERW) - often more optimal than naive RW, lots of applications1yr ⋅ jarekduda ⋅ r/mathpics
Moving estimators (agnostic) vs ARMA-ARCH-like philosophy (arbitrary) on example of Student's t-distributions for economical data1yr ⋅ jarekduda ⋅ r/datascience
Electronic or microfluidic chip can be actively controlled from both directions - could it be done for photonic chip?8mo ⋅ jarekduda ⋅ r/Physics
[OC] Last 6 years Bitcoin energy consumption - maintaining this trend for next 6 years, would reach half of world energy production3yr ⋅ jarekduda ⋅ r/dataisbeautiful
Can measurement be reversible, unitary process if including interaction with environment? E.g. considering Wavefunction of the Universe?1yr ⋅ jarekduda ⋅ r/quantum
Is CPT symmetry still valid in macroscopic physics? (proposed test with ring laser - search for access/collaboration)1yr ⋅ jarekduda ⋅ r/quantum
Simpler than Bell's: Mermin's inequality - easily derived with Kolmogorov 3rd axiom, violated if replaced with Born rule1yr ⋅ jarekduda ⋅ r/quantum
Can measurement be reversible, unitary process if including interaction with environment? E.g. considering Wavefunction of the Universe?10mo ⋅ jarekduda ⋅ r/QuantumPhysics
Fast massive particles should easily tunnel - how its probability depends on initial velocity? Simulations from arXiv:2401.01239 using phase-space Schrodinger1mo ⋅ jarekduda ⋅ r/quantum
Simpler than Bell's: Mermin's inequality - easily derived with Kolmogorov 3rd axiom, violated if replaced with Born rule10mo ⋅ jarekduda ⋅ r/QuantumPhysics
Weakening statistical dependencies for last 10 years for all pairs of Dow Jones index companies – is it a standard trend?6yr ⋅ jarekduda ⋅ r/algotrading
Simple invariants distinguishing at least some strongly regular graphs and their vertices6yr ⋅ jarekduda ⋅ r/math
Discussion: approaches and thought experiment - consequences of being able to send information back in time?1yr ⋅ jarekduda ⋅ r/scifi
Is log-likelihood a good way to evaluate time series analysis models?5yr ⋅ jarekduda ⋅ r/econometrics