| Abbreviation | Definition |
|---|---|
| GTA | Geometry, Trigonometry, and Algebra |
| GTFT | Generous Tit-for-Tat (Game theory) |
| GTL | General Tuple Language |
| GTM | Graduate Texts in Mathematics |
| GTR | The Greater Than Relation |
| GUIDE | Generalized Unbiased Interaction Detection and Estimation |
| GWBP | Galton-Watson Branching Process |
| GWCR | Generalized Weighted Chinese Restaurant Monte Carlo algorithm |
| GWPP | Generalized Word Posterior Probability |
| GWUBS | George Washington University Biostatistics Center |
| H | Hamming |
| Ha | Hectare |
| HA | Heyting Arithmetic |
| HACR | Hierarchical Algorithm for Curves and Ridges |
| HADA | Hypercube Adaptive Diagnosis Algorithm |
| HAL | Hyper-Algorithmic Logic |
| HAP | Homological Algebra Programming |
| HB | Hilbert-Blumenthal |
| HB | Homogeneously Broadened |
| HB | Hopf Bifurcation |