All posts
Browse every research article, tutorial, and technical note.
- Gas adsorption simulation: uptake, grand canonical Monte Carlo, classical density functional theory, and density-field learning.
- A physics-first account of molecular representation, electronic structure, forces, statistical mechanics, and dynamics for molecular machine learning.
- How periodic representations support crystal prediction and generation—and why relaxation, first-principles validation, and synthesis remain decisive.
- Why deeper graph networks face under-reaching, over-smoothing, and over-squashing—and how topology determines which remedy helps.
- A unified derivation of diffusion and flow matching through conditional probability paths, marginalization identities, and simulation-free regression.
- How continuous-time Markov chains transport categorical probability, how their rates become learnable, and how generator matching extends across modalities.
- Statistical mechanics: from Newton's equations to ensembles, thermostats, barostats, Monte Carlo, and connections to generative modeling.
- How invariant attention scores, equivariant values, and energy-based force prediction turn geometric Transformers into practical interatomic potentials.
- How canonicalization, local frames, frame averaging, and probabilistic symmetrization create geometric models—and why continuity is difficult.
- How path measures connect Jarzynski's equality, free-energy estimation, annealed importance sampling, diffusion models, and GFlowNets.
- Molecular graph generation and reaction modeling viewed as constrained structured prediction, from representation and symmetry to synthesis-aware evaluation.
- GFlowNets from a probabilistic-ML perspective: reward-proportional sampling, training objectives, and connections to MaxEnt RL and variational inference.
- Protein design as sequence–structure–function inference, from inverse folding and backbone diffusion to computational filters and experimental evidence.
- From genomic sequence models and noisy single-cell measurements to perturbation prediction and the stronger requirements of a virtual cell.
- Flow matching beyond Euclidean space, from tangent velocity fields and geodesic conditional paths to product manifolds for molecular geometry.
- Why permutation symmetry leads to message passing, how familiar GNNs instantiate it, and why graph Transformers still need structure.
- Heterogeneous electrocatalysis: the energy storage problem, why oxides matter, the solid-liquid interface, and why real catalyst design is hard.
- Why drug discovery is a sequence of linked inference problems—from target validation and molecular binding to exposure, safety, and clinical benefit.
- How HACO, a Human–AI Co-discovery system, produced MaskGXT, a competitive generative model for crystal structure prediction.
- MADField predicts the full 3D adsorbate density field in nanoporous materials, turning slow gas-adsorption simulation into a single forward pass.
- Where machine learning enters electronic-structure theory, from neural wavefunctions and learned functionals to Hamiltonians and energy surfaces.
- A material is more than a formula: discovery must connect periodic structure, competing phases, target properties, processing, and experimental formation.
- How molecular representations, conformers, data splits, pretraining, and uncertainty determine what a property-prediction benchmark actually measures.
- A practical bridge from molecular dynamics to enhanced sampling, metadynamics, collective variables, and recent ML approaches for rare molecular events.
- How learned energy surfaces become molecular dynamics, why rollout stability differs from static accuracy, and how to validate observables.
- How ODEs and SDEs transport probability, why scores appear in reverse-time diffusion, and how probability-flow ODEs match SDE marginals.
- An introduction to protein structure, function, and computational design — from amino acids to the RFDiffusion/ProteinMPNN pipeline.
- How metastable protein conformations become equilibrium ensembles and kinetic models, and what learned samplers must preserve beyond structural plausibility.
- How sequence, alignments, residue graphs, backbone frames, surfaces, and multimodal objectives shape what protein embeddings can support.
- How coevolutionary constraints, pairwise geometric reasoning, residue frames, and all-atom diffusion shaped AlphaFold—and where structure prediction stops.
- Quantum chemistry and density functional theory: from the Schrödinger equation to Kohn-Sham DFT and modern deep learning approaches.
- How geometric graph networks move from invariant distances and angles to equivariant coordinates and vector channels—and what directionality buys.
- Understanding the spherical equivariant layers that power modern molecular neural networks, from group theory foundations to Clebsch-Gordan tensor products.
- How irreducible rotation types, spherical harmonics, and Clebsch–Gordan tensor products create expressive equivariant neural-network layers.
- A concrete account of group actions, invariance, equivariance, and feature types for geometric machine learning.
- Three routes to the Fokker-Planck equation—physical intuition, heuristic discretization, and a rigorous derivation with Itô calculus.
- How generative models respect molecular geometry, how guidance turns sampling into design, and why oracle scores must survive experiment.
- Two derivations of graph convolution—from Laplacian spectral filters and permutation-equivariant linear maps—and what each reveals and hides.
- Graph neural network expressivity through multiset aggregation, the Weisfeiler--Leman test, its blind spots, and the cost of stronger models.