Principles
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Problem classnonlinear_inverse (203)linear_inverse (199)parameter_estimation (62)linear_inverse_with_categorical_readout (18)statistical_inverse (5)forward (3)parametric_spectral_estimation (3)linear_inverse_count (3)
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| Title | ID | Chain | Domain | Tier | δ | L_DAG | Specs | Benchmarks |
|---|---|---|---|---|---|---|---|---|
| Coded Aperture Snapshot Spectral Imaging (CASSI) | L1-003 | testnet | Compressive Imaging | ★ Founder-vetted | 3 | 3.7 | 1 | 1 |
| Coded Aperture Compressive Temporal Imaging (CACTI) | L1-004 | testnet | Compressive Imaging | ★ Founder-vetted | 3 | 1.4 | 1 | 1 |
| Cable Equation (Dendrite Propagation) | L1-398 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Advection-Dispersion Transport Inversion | L1-415 | unregistered | Environmental Science | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Carbon Cycle Biogeochemical Inversion | L1-424 | unregistered | Environmental Science | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Inverse Dynamics | L1-449 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| GNSS Positioning and Navigation | L1-466 | unregistered | Geodesy | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Satellite Gravity Gradiometry (GOCE) | L1-471 | unregistered | Geodesy | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Hyperspectral Spectral Unmixing | L1-472 | unregistered | Geodesy | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Stellar Coronagraphy PSF Subtraction | L1-166 | unregistered | Astronomy | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Lucky Imaging Atmospheric Turbulence Recovery | L1-167 | unregistered | Astronomy | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Solar EUV/X-ray Image Reconstruction | L1-169 | unregistered | Astronomy | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| de Gennes-Doi-Edwards Reptation Theory | L1-476 | unregistered | Polymer Physics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Phonon Boltzmann Transport Equation | L1-497 | unregistered | Semiconductor Physics | 📋 Stub — not mineable | 5 | 3.6 | 0 | 0 |
| Time-Dependent Density Functional Theory (TDDFT) | L1-297 | unregistered | Computational Chemistry | 📋 Stub — not mineable | 5 | 3.6 | 0 | 0 |
| Implicit Solvation Models (PCM, COSMO, SMD) | L1-305 | unregistered | Computational Chemistry | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Metropolis Monte Carlo | L1-310 | unregistered | Computational Chemistry | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Time-Independent Schrödinger Equation | L1-312 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Phonon Dispersion Relations | L1-317 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Tight-Binding Electronic Structure | L1-318 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Exact Diagonalization of Many-Body Hamiltonians | L1-323 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| k.p Perturbation Theory | L1-326 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 3 | 3.1 | 0 | 0 |
| Solid-State Diffusion (Fick + Onsager) | L1-333 | unregistered | Materials Science | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Flory-Huggins Polymer Solution Theory | L1-335 | unregistered | Materials Science | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Widefield Fluorescence Microscopy (Airy-PSF deconvolution) | L1-001 | unregistered | Microscopy | 📋 Stub — not mineable | 1 | 1 | 0 | 0 |
| Low-Dose Widefield Fluorescence (photon-starved Airy deconvolution) | L1-002 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 1 | 0 | 0 |
| Structured Illumination Microscopy (SIM) — lateral 2x resolution | L1-005 | unregistered | Microscopy | 📋 Stub — not mineable | 5 | 2.8 | 0 | 0 |
| Light Sheet Fluorescence Microscopy (LSFM / SPIM) | L1-006 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Stimulated Emission Depletion (STED) — donut super-resolution | L1-010 | unregistered | Microscopy | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Total Internal Reflection Fluorescence (TIRF) | L1-012 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Polarization Microscopy (Stokes / birefringence imaging) | L1-013 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Expansion Microscopy (ExM) — physical hydrogel expansion | L1-014 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Image Scanning Microscopy (ISM) — pixel reassignment super-resolution | L1-016 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Darkfield Microscopy (oblique-illumination scattering imaging) | L1-019 | unregistered | Microscopy | 📋 Stub — not mineable | 1 | 2.2 | 0 | 0 |
| Lattice Light Sheet Microscopy (LLSM) — Bessel-lattice 3D imaging | L1-020 | unregistered | Microscopy | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Spinning Disk Confocal (Nipkow) Microscopy | L1-022 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Confocal Fluorescence (pinhole-rejection livecell imaging) | L1-532 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 2.3 | 0 | 0 |
| Confocal Z-Stack (3D axial deconvolution) | L1-533 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Coded Aperture Snapshot Spectral Imaging (CASSI) | L1-025 | unregistered | Compressive Imaging | 📋 Stub — not mineable | 3 | 3.7 | 0 | 0 |
| Single-Pixel Imaging (random basis compressive sensing) | L1-026 | unregistered | Compressive Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Coded Aperture Compressive Temporal Imaging (CACTI) | L1-027 | unregistered | Compressive Imaging | 📋 Stub — not mineable | 3 | 2 | 0 | 0 |
| Low-Rank Matrix Sensing (compressive matrix recovery) | L1-028 | unregistered | Compressive Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Computed Tomography (CT) — fan/cone-beam X-ray reconstruction | L1-029 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Magnetic Resonance Imaging (MRI) — proton-density / T1 / T2 contrast | L1-030 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.6 | 0 | 0 |
| Planar X-ray Radiography | L1-031 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Clinical B-mode Ultrasound | L1-032 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| Positron Emission Tomography (PET) | L1-033 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.6 | 0 | 0 |
| Single-Photon Emission Computed Tomography (SPECT) | L1-034 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Fluoroscopy (real-time X-ray) | L1-035 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Digital Mammography | L1-036 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Dual-Energy X-ray Absorptiometry (DEXA) | L1-037 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Cone-Beam CT (CBCT) — dental / interventional | L1-038 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| X-ray Angiography (DSA) | L1-039 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Optical Coherence Tomography (OCT) | L1-042 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| Magnetic Resonance Spectroscopy (MRS) | L1-044 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Doppler Ultrasound (color / spectral) | L1-046 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Fiber-Optic Endoscopy | L1-048 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Fundus Imaging (retinal photography) | L1-049 | unregistered | Medical Imaging | 📋 Stub — not mineable | 1 | 2.2 | 0 | 0 |
| Brachytherapy Dose Imaging | L1-052 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Electronic Portal Imaging (EPID) | L1-053 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Arterial Spin Labeling (ASL) MRI | L1-057 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| MR Angiography (time-of-flight / phase-contrast) | L1-058 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.4 | 0 | 0 |
| Susceptibility-Weighted Imaging (SWI) | L1-059 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Intravascular Ultrasound (IVUS) | L1-061 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Digital Breast Tomosynthesis (DBT) | L1-063 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Confocal Laser Endomicroscopy (CLE) | L1-064 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Functional Near-Infrared Spectroscopy (fNIRS) | L1-065 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Quantitative Susceptibility Mapping (QSM) | L1-503 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 7.4 | 0 | 0 |
| PillCam-SPECTRA Optical-Property Recovery (analytical core) | L1-511 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 4.9 | 0 | 0 |
| Digital Holography (off-axis and in-line intensity holograms) | L1-071 | unregistered | Coherent Imaging | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Optical Diffraction Tomography (ODT) — 3D refractive-index imaging | L1-073 | unregistered | Coherent Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Talbot-Lau Grating Interferometry (X-ray phase-contrast imaging) | L1-074 | unregistered | Coherent Imaging | 📋 Stub — not mineable | 3 | 3.4 | 0 | 0 |
| Lensless Imaging with Diffuser PSF (DiffuserCam) | L1-075 | unregistered | Computational Photography | 📋 Stub — not mineable | 3 | 2.6 | 0 | 0 |
| Multi-Focus / Panorama Fusion (all-in-focus composite imaging) | L1-076 | unregistered | Computational Photography | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Coded-Exposure Imaging for Motion Deblur | L1-077 | unregistered | Computational Photography | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Light-Field (Plenoptic) Imaging | L1-080 | unregistered | Computational Optics | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Integral Photography (Lippmann-style MLA capture + reconstruction) | L1-081 | unregistered | Computational Optics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Scanning Electron Microscopy (SEM) — secondary-electron surface imaging | L1-084 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Transmission Electron Microscopy (TEM) — thin-section contrast imaging | L1-085 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Electron Tomography — tilt-series 3D reconstruction | L1-086 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Scanning TEM (STEM) — HAADF / BF imaging with convergent beam | L1-087 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Electron Energy Loss Spectroscopy (EELS) | L1-090 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Off-Axis Electron Holography — nanoscale phase imaging | L1-091 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Cryo-Electron Tomography (cryoET) — in-situ 3D biology at nm scale | L1-092 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 10 | 4.5 | 0 | 0 |
| Focused Ion Beam SEM (FIB-SEM) — serial sectioning 3D imaging | L1-093 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| STEM-EDX — X-ray energy-dispersive elemental mapping | L1-094 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 3 | 3.4 | 0 | 0 |
| Scanning LiDAR (pulsed direct Time-of-Flight) | L1-096 | unregistered | Depth Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Structured-Light 3D Imaging (projector-camera triangulation) | L1-097 | unregistered | Depth Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Photometric Stereo (shape-from-shading with multiple light directions) | L1-098 | unregistered | Depth Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Flash LiDAR (single-shot 2D SPAD-array direct ToF) | L1-099 | unregistered | Depth Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Active Sonar — underwater acoustic imaging | L1-101 | unregistered | Remote Sensing | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| Hyperspectral Imaging (pushbroom / AVIRIS-style) | L1-102 | unregistered | Remote Sensing | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Multispectral Imaging (Landsat/Sentinel-2) | L1-103 | unregistered | Remote Sensing | 📋 Stub — not mineable | 1 | 2.5 | 0 | 0 |
| Doppler Weather Radar | L1-105 | unregistered | Remote Sensing | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Very Long Baseline Interferometry (VLBI) | L1-106 | unregistered | Remote Sensing | 📋 Stub — not mineable | 10 | 4.5 | 0 | 0 |
| Passive Microwave Radiometry | L1-107 | unregistered | Remote Sensing | 📋 Stub — not mineable | 3 | 2.7 | 0 | 0 |
| Polarimetric SAR (PolSAR) — full-polarimetric decomposition | L1-109 | unregistered | Remote Sensing | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Industrial Computed Tomography (high-res x-ray CT for NDT) | L1-111 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| X-ray Non-Destructive Testing (2D radiography) | L1-112 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Phased-Array Ultrasonic Testing (PAUT) | L1-113 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| Terahertz Imaging (0.1-10 THz time-domain / CW) | L1-116 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Automated Optical Inspection (AOI) for PCB / manufacturing defects | L1-117 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 1 | 2.5 | 0 | 0 |
| X-Ray Fluorescence (XRF) Mapping | L1-118 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Shearography (ESPI-based strain imaging) | L1-119 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Scanning Acoustic Microscopy (SAM) | L1-120 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Digital Image Correlation (DIC) for full-field strain | L1-123 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Streak Camera — picosecond 1D time-resolved imaging | L1-149 | unregistered | Ultrafast Imaging | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Compressed Ultrafast Photography (CUP) — trillion fps imaging | L1-151 | unregistered | Ultrafast Imaging | 📋 Stub — not mineable | 10 | 4.5 | 0 | 0 |
| PET-CT Fusion (metabolism + anatomy) | L1-156 | unregistered | Multimodal Fusion | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| SPECT-CT Fusion | L1-158 | unregistered | Multimodal Fusion | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Near-Field Scanning Optical Microscopy (NSOM/SNOM) | L1-164 | unregistered | Scanning Probe | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Ideal MHD — magnetohydrodynamics infinite-conductivity limit | L1-342 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Vlasov Equation — collisionless kinetic plasma | L1-344 | unregistered | Plasma Physics | 📋 Stub — not mineable | 10 | 3.8 | 0 | 0 |
| PIC (Particle-in-Cell) — plasma kinetic simulation | L1-346 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Fokker-Planck — Coulomb-collision kinetic | L1-347 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| MHD Stability — linear eigenmode growth rates | L1-349 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Plasma Sheath — Debye-scale boundary layer | L1-350 | unregistered | Plasma Physics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| RF Heating — ICRF / LH / ECH wave absorption | L1-351 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Neutron Transport — linear Boltzmann equation | L1-354 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 10 | 3.8 | 0 | 0 |
| Neutron Diffusion — multi-group diffusion approximation | L1-355 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Criticality Eigenvalue — k-effective calculation | L1-356 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Point Reactor Kinetics — power transient modeling | L1-357 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Monte Carlo Neutron Transport — stochastic particle tracking | L1-360 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 10 | 3.5 | 0 | 0 |
| Gamma-Ray Shielding — deep-penetration attenuation | L1-361 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Decay Heat — residual power after reactor shutdown | L1-363 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Stokes Flow — low-Re linear viscous | L1-173 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Potential Flow — irrotational inviscid | L1-175 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| DNS — direct numerical simulation | L1-180 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 10 | 3.5 | 0 | 0 |
| Shallow Water Equations — coastal/tidal/inundation | L1-181 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Eulerian-Lagrangian — dispersed-phase particle tracking | L1-185 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Lattice Boltzmann Method (LBM) — mesoscale fluid | L1-187 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Darcy Flow — low-Re porous-medium flow | L1-188 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Advection-Diffusion — scalar transport | L1-190 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Buckley-Leverett — two-phase displacement saturation | L1-192 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Transient Heat Conduction — inverse heat conduction (IHCP) | L1-195 | unregistered | Heat Transfer | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Radiative Transfer Equation — radiative heat exchange | L1-199 | unregistered | Heat Transfer | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Thermoelectric Transport — coupled Seebeck-Peltier | L1-203 | unregistered | Heat Transfer | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Thermal Contact Resistance — interface conductance estimation | L1-204 | unregistered | Heat Transfer | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Laser Heating — short-pulse temperature rise inversion | L1-205 | unregistered | Heat Transfer | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Cryogenic Storage Boiloff — MLI heat-leak estimation | L1-206 | unregistered | Heat Transfer | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Linear Elasticity — Navier-Cauchy 3D solid mechanics | L1-207 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Euler-Bernoulli Beam — thin-beam bending | L1-208 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Timoshenko Beam — shear-deformation thick-beam | L1-209 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Kirchhoff Plate — thin-plate bending | L1-210 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Mindlin-Reissner Plate — thick-plate with shear | L1-211 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Shell Theory — curved thin-structure mechanics | L1-212 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Modal Analysis — natural frequencies and mode shapes | L1-213 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Linear Buckling — eigenvalue stability analysis | L1-214 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Viscoelasticity — linear hereditary models | L1-218 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Linear Elastic Fracture Mechanics (LEFM) — K/J evaluation | L1-220 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| XFEM — extended finite element for cracks | L1-222 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Fatigue — Paris law crack growth | L1-224 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Hertzian Contact — elastic sphere/cylinder contact | L1-225 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Poroelasticity — Biot coupled solid/fluid | L1-227 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Thermoelasticity — coupled thermal-mechanical | L1-228 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Piezoelectricity — coupled mechanical-electrical | L1-229 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Elastodynamics — dynamic wave propagation in solids | L1-230 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Maxwell Full-Wave — time-domain 3D Maxwell equations | L1-232 | unregistered | Electromagnetics | 📋 Stub — not mineable | 10 | 3.8 | 0 | 0 |
| Helmholtz Scattering — frequency-domain EM scattering | L1-233 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Method of Moments (MoM) — integral-equation EM | L1-235 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Antenna Analysis — radiation pattern inversion | L1-236 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Radar Cross-Section — backscatter reconstruction | L1-237 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Eddy Currents — conductor inversion from induced fields | L1-238 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Waveguide Modes — dispersion and S-parameter analysis | L1-239 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Fresnel Diffraction — paraxial wave propagation | L1-241 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Geometric Optics — ray tracing / eikonal | L1-242 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Rayleigh Scattering — molecular / small-particle scattering | L1-244 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Thin Film Interference — transfer-matrix optical design | L1-245 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Holographic Reconstruction — wavefront from interference | L1-246 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Electrostatics — Poisson equation inversion | L1-250 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Magnetostatics — coil design and field inversion | L1-251 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Inverse Synthetic Aperture Radar (ISAR) — rotating-target imaging | L1-252 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Ray Tracing (EM) — wireless propagation model | L1-253 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| X-ray Phase Contrast — propagation / grating / analyzer | L1-254 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| THz Time-Domain Spectroscopy — material parameter extraction | L1-256 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Acoustic Wave Equation — time-domain pressure field reconstruction | L1-257 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Helmholtz Equation — frequency-domain acoustic scattering / interior field | L1-258 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Acoustic Scattering — boundary element method (BEM) | L1-261 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Underwater Acoustic Ray Tracing (Bellhop) | L1-262 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Underwater Normal Modes — modal propagation (KRAKEN) | L1-263 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Underwater Acoustics — Parabolic Equation (RAM) | L1-264 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Acoustic Beamforming — DOA & imaging from array | L1-265 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Structural Vibration Analysis — modal response | L1-266 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Vibroacoustics — structure-acoustic coupling | L1-268 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Duct Acoustics — wave propagation in ducts / silencers | L1-269 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Outdoor Noise Propagation — atmospheric refraction + ground effect | L1-271 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.7 | 0 | 0 |
| Seismic Travel-Time Tomography — ray-based velocity imaging | L1-272 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Receiver Function — teleseismic crust imaging | L1-275 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Seismic Reflection — post-stack migration and imaging | L1-276 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Ambient-Noise Tomography — Green-function retrieval | L1-277 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Earthquake Source Inversion — finite-fault slip | L1-278 | unregistered | Geophysics | 📋 Stub — not mineable | 10 | 3.7 | 0 | 0 |
| Gravity Field Inversion — density imaging | L1-279 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Magnetic Field Inversion — susceptibility imaging | L1-280 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Satellite Gravity Recovery — GRACE/GRACE-FO mass change | L1-285 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Tsunami Propagation — shallow-water wave simulation | L1-289 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Well Test Analysis — transient pressure testing | L1-291 | unregistered | Geophysics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Tidal Analysis — harmonic tidal constituent extraction | L1-292 | unregistered | Geophysics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Subsurface Temperature — geothermal gradient inversion | L1-293 | unregistered | Geophysics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Channel Estimation (pilot-aided wireless channel identification) | L1-389 | unregistered | Signal Processing | 📋 Stub — not mineable | 3 | 2.3 | 0 | 0 |