id	display_name	state	family	parent_model	one_sentence_change	boolean_backend	pruning_directions	supported_modes	superseded_by	algorithm_document
branch_n_prune_2	Branch and Prune 2	experimental	Dickinson intervals	branch_n_prune_1	Branch-local Halfspace-Rays with a 70 percent jump gate and cheap sign-ranked estimated-longest-first traversal.	region stack + ceiling antichain	upward+interval	CP,SCP,both		branch_n_prune_2/ALGORITHM.md
branch_n_prune_1	Branch and Prune 1	experimental	Dickinson intervals	sat_b3	Finishes one index region at a time with exact curvature, half-space rays and disjoint interval subtraction.	region stack + ceiling antichain	upward+interval	CP,SCP,both		branch_n_prune_1/ALGORITHM.md
bundfuss_2008	Bundfuss 2008	baseline	simplicial partition		Bundfuss-Duer simplicial partition.	none	n/a	CP,SCP		00-baselines/bundfuss_2008/ALGORITHM.md
copomatrix_2011	COPOMATRIX 2011	baseline	recursive reduction		Xu-Yao COPOMATRIX reduction.	none	n/a	CP,SCP		00-baselines/copomatrix_2011/ALGORITHM.md
danninger_1990	Danninger 1990	baseline	recursive reduction		Danninger's dimension-reducing reconstruction.	none	n/a	CP,SCP,both		00-baselines/danninger_1990/ALGORITHM.md
dickinson_2019	Dickinson 2019	baseline	Dickinson intervals		Dickinson finite certificate enumeration.	none	interval	CP,SCP,both		00-baselines/dickinson_2019/ALGORITHM.md
dutour_2018	Dutour 2018	baseline	polyhedral cone		Dutour Sikiric polyhedral-cone implementation.	none	n/a	CP,SCP		00-baselines/dutour_2018/ALGORITHM.md
hadeler_1983	Hadeler 1983	baseline	principal supports		Hadeler principal-submatrix enumeration.	none	exact support	CP,SCP,both		00-baselines/hadeler_1983/ALGORITHM.md
safi_2021	Safi 2021	baseline	simplicial partition		Safi-Nabavi-Caron simplex partition.	none	n/a	CP,SCP		00-baselines/safi_2021/ALGORITHM.md
sponsel_2012	Sponsel 2012	baseline	simplicial partition		Sponsel certificates with Bundfuss refinement.	none	n/a	CP,SCP		00-baselines/sponsel_2012/ALGORITHM.md
adaptive_dutour_copomatrix	Adaptive Dutour-COPOMATRIX	retained	hybrid reduction	dutour_2018+copomatrix_2011	Adaptive Dutour/COPOMATRIX hybrid.	none	n/a	CP,SCP		adaptive_dutour_copomatrix/ALGORITHM.md
adaptive_dutour_danninger	Adaptive Dutour-Danninger	retained	hybrid reduction	dutour_2018+danninger_1990	Adaptive Dutour/Danninger hybrid.	none	n/a	CP,SCP		adaptive_dutour_danninger/ALGORITHM.md
adaptive_sponsel_copomatrix	Adaptive Sponsel-COPOMATRIX	retained	hybrid reduction	sponsel_2012+copomatrix_2011	Chooses COPOMATRIX when its best pivot has at most two children; otherwise uses Sponsel subdivision.	none	n/a	CP,SCP		adaptive_sponsel_copomatrix/ALGORITHM.md
adaptive_zischg_sponsel_copomatrix	Adaptive Zischg-Sponsel-COPOMATRIX	retained	hybrid reduction	adaptive_sponsel_copomatrix	Adaptive projection-component comparison.	none	n/a	CP,SCP		adaptive_zischg_sponsel_copomatrix/ALGORITHM.md
affine_companion_dickinson	Affine-Companion Dickinson	retained	Dickinson intervals	kernel_cone_dickinson	Adds exact consistency and affine-family certificates at singular principal supports.	none	upward	CP,SCP,both		affine_companion_dickinson/ALGORITHM.md
bdd_b3	BDD-B3	retained	Dickinson intervals	sat_b3	SAT-B3 mathematics with a BDD coverage backend.	BDD	upward+downward+interval	CP,SCP,both		bdd_b3/ALGORITHM.md
bdd_dickinson	BDD Dickinson	retained	Dickinson intervals	dickinson_2019	Represents the Dickinson interval union with an ordinary BDD.	BDD	interval	CP,SCP,both		bdd_dickinson/ALGORITHM.md
breadth_first_singular_lift_dickinson	Breadth-First Singular-Lift Dickinson	retained	Dickinson intervals	layered_singular_lift_dickinson	Uses a FIFO frontier that finishes each lifted cardinality before the next.	none	upward	CP,SCP,both		breadth_first_singular_lift_dickinson/ALGORITHM.md
cadical_x1	CaDiCaL X1	retained	Dickinson intervals	sat_b3	Expands arbitrary uncovered CaDiCaL seeds through one Schur-guided maximal-chain pass.	CaDiCaL	upward+downward+interval	CP,SCP,both		cadical_x1/ALGORITHM.md
cardinality_bdd_dickinson	Cardinality-BDD Dickinson	archived	Dickinson intervals	bdd_dickinson	Archived cardinality-BDD traversal retained for historical comparison.	BDD	interval	CP,SCP,both	bdd_dickinson	cardinality_bdd_dickinson/ALGORITHM.md
cardinality_zdd_dickinson	Cardinality-ZDD Dickinson	archived	Dickinson intervals	zdd_dickinson	Archived cardinality-ZDD traversal retained for historical comparison.	ZDD	interval	CP,SCP,both	zdd_dickinson	cardinality_zdd_dickinson/ALGORITHM.md
cbdd_dickinson	CBDD Dickinson	retained	Dickinson intervals	dickinson_2019	Uses Bryant chain-reduced BDD interval algebra for Dickinson certificates.	CBDD	interval	CP,SCP,both		cbdd_dickinson/ALGORITHM.md
cbdd_dickinson_improved_1	CBDD Dickinson Improved One	retained	Dickinson intervals	cbdd_dickinson	Adds batched affine and homogeneous singular certificates, including the complete nullity-two stacked-line family.	CBDD	interval	CP,SCP,both		cbdd_dickinson_improved_1/ALGORITHM.md
cbdd_halfspace_dickinson	CBDD-Halfspace Dickinson	retained	Dickinson intervals	cbdd_dickinson	Adds cumulative exact coordinate search over strictly positive right-hand sides.	CBDD	interval	CP,SCP,both		cbdd_halfspace_dickinson/ALGORITHM.md
ceiling_pruned_dickinson	Ceiling-Pruned Dickinson	retained	support enumeration	dickinson_2019	Retains only Dickinson certificates whose upper endpoint is the full index set.	support generator	upward	CP,SCP,both		ceiling_pruned_dickinson/ALGORITHM.md
clasp_b3	Clasp-B3	retained	Dickinson intervals	sat_b3	SAT-B3 mathematics with a clasp coverage backend.	clasp	upward+downward+interval	CP,SCP,both		clasp_b3/ALGORITHM.md
clingo_dickinson	Clingo Dickinson	retained	Dickinson intervals	dickinson_2019	Uses Clingo/clasp backtracking enumeration with native cardinality layers.	clingo/clasp	interval	CP,SCP,both		clingo_dickinson/ALGORITHM.md
clingo_halfspace_dickinson	Clingo-Halfspace Dickinson	retained	Dickinson intervals	clingo_dickinson	Adds cumulative exact coordinate search over strictly positive right-hand sides.	clingo/clasp	interval	CP,SCP,both		clingo_halfspace_dickinson/ALGORITHM.md
czdd_dickinson	CZDD Dickinson	retained	Dickinson intervals	dickinson_2019	Uses Bryant chain-reduced ZDD interval algebra for Dickinson certificates.	CZDD	interval	CP,SCP,both		czdd_dickinson/ALGORITHM.md
dense_bitset_dickinson	Dense-Bitset Dickinson	retained	Dickinson intervals	dickinson_2019	Traverses cardinality layers using one literal packed bit per support.	none	interval	CP,SCP,both		dense_bitset_dickinson/ALGORITHM.md
dual_frontier_nbc	Dual-Frontier NBC	retained	Dickinson intervals	improved_nbc_b7	Adds a floating walk toward both curvature frontiers with exact verification of retained candidates. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		dual_frontier_nbc/ALGORITHM.md
dual_frontier_nbc_four	Dual-Frontier NBC Four	retained	Dickinson intervals	dual_frontier_nbc_three	Launches the coverage-aware dual-frontier walk from the exact Dickinson upper endpoint. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		dual_frontier_nbc_four/ALGORITHM.md
dual_frontier_nbc_three	Dual-Frontier NBC Three	retained	Dickinson intervals	dual_frontier_nbc_two	Processes every emitted seed exactly before beginning its coverage-aware frontier walk. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		dual_frontier_nbc_three/ALGORITHM.md
dual_frontier_nbc_two	Dual-Frontier NBC Two	retained	Dickinson intervals	dual_frontier_nbc	Allows a frontier-walk step only when NBC reports that its support remains uncovered. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		dual_frontier_nbc_two/ALGORITHM.md
f1	F1: Full-Upward Curvature and Dickinson Search	retained	support enumeration	sat_c3	Uses exact pair and endpoint curvature plus full-ceiling Halfspace-Rays Dickinson roots.	support generator	upward	CP,SCP,both		f1/ALGORITHM.md
f2	F2	retained	support enumeration	sat_b3	Preserves SAT-B3 mathematics while splitting support generation from interval filtering.	support generator	upward+downward+interval	CP,SCP,both		f2/ALGORITHM.md
fracessa	FracESSA First-Order Global-Minimum Model	retained	support enumeration	hadeler_1983	Adapts FracESSA to first-order global-simplex-minimum classification.	support generator	upward	CP,SCP,both		fracessa/ALGORITHM.md
fracessa_circular	FracESSA Circular Global-Minimum Model	archived	support enumeration	fracessa	Archived adaptation limited to symmetric circulant matrices.	support generator	upward	CP,SCP,both	fracessa	fracessa_circular/ALGORITHM.md
frank_wolfe_dickinson	Frank-Wolfe Dickinson	retained	Dickinson intervals	dickinson_2019	Adds bounded Frank-Wolfe witness proposals before Dickinson.	none	interval	CP,SCP,both		frank_wolfe_dickinson/ALGORITHM.md
frank_wolfe_sponsel	Exact One-Step Frank-Wolfe Sponsel	retained	hybrid reduction	sponsel_2012	Adds one exact Frank-Wolfe segment before Sponsel.	none	n/a	CP,SCP		frank_wolfe_sponsel/ALGORITHM.md
g1	G1: Generator with Bounded Dickinson Guidance	retained	support enumeration	f1	Adds expiring Dickinson guidance and cardinality-boundary root compaction to F1.	support generator	upward	CP,SCP,both		g1/ALGORITHM.md
improved_nbc_b7	Improved NBC-B7	retained	Dickinson intervals	nbc_b7	Uses a resumable Improved NBC backend with permanent root-inconsistency detection. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_b7/ALGORITHM.md
improved_nbc_b8	Improved NBC-B8	retained	Dickinson intervals	improved_nbc_b7	Removes the high frontier and downward pruning. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+interval	CP,SCP,both		improved_nbc_b8/ALGORITHM.md
improved_nbc_b9	Improved NBC-B9	retained	Dickinson intervals	improved_nbc_b7	Adds bounded reproducibly jittered KKT walks with exactly verified no-hiding curvature closures. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_b9/ALGORITHM.md
improved_nbc_g2	Improved NBC-G2	retained	Dickinson intervals	improved_nbc_b7	Adds a bounded closed-cone right-hand-side extension with exact reconstruction and verification. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_g2/ALGORITHM.md
improved_nbc_x2	Improved NBC-X2	retained	Dickinson intervals	improved_nbc_b7	Adds exact greedy reduction of the Dickinson lower endpoint. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x2/ALGORITHM.md
improved_nbc_x3	Improved NBC-X3	retained	Dickinson intervals	improved_nbc_x2	Adds a targeted LP proposal with exact reconstruction and exact dominance selection. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x3/ALGORITHM.md
improved_nbc_x4	Improved NBC-X4	retained	Dickinson intervals	improved_nbc_x3	Runs the ordinary exact shrink first and skips the LP when that interval is already maximal. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x4/ALGORITHM.md
improved_nbc_x5	Improved NBC-X5	retained	Dickinson intervals	improved_nbc_x3	Adds a cheap necessary bound that can skip an unproductive target LP. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x5/ALGORITHM.md
improved_nbc_x6	Improved NBC-X6	retained	Dickinson intervals	improved_nbc_x3	Repeats exactly verified targeted-LP upper-endpoint enlargements before shrinking the lower endpoint once. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x6/ALGORITHM.md
improved_nbc_x7	Improved NBC-X7	retained	Dickinson intervals	improved_nbc_x6	Compares at most two exactly successful LP targets per continuation round. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x7/ALGORITHM.md
improved_nbc_x8	Improved NBC-X8	retained	Dickinson intervals	improved_nbc_x6	Adds curvature-first pruning and a complete local maximum-halfspace MILP. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x8/ALGORITHM.md
improved_nbc_x9	Improved NBC-X9	retained	Dickinson intervals	improved_nbc_x6	Adds floating spectral right-hand-side proposals, exact verification, and one exact Rays cleanup. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x9/ALGORITHM.md
improved_nbc_x10	Improved NBC-X10	retained	Dickinson intervals	improved_nbc_x6	Runs a best-improvement downward Halfspace-Rays search from each unresolved independent high-frontier support, minimizing the lower endpoint while keeping that support inside the interval. Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x10/ALGORITHM.md
improved_nbc_x11	Improved NBC-X11	retained	Dickinson intervals	improved_nbc_x10	Traverses only from the high frontier and installs exact curvature downward closures or downward Dickinson intervals, with no upward pruning. Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	downward+interval	CP,SCP,both		improved_nbc_x11/ALGORITHM.md
improved_nbc_x12	Improved NBC-X12	retained	Dickinson intervals	improved_nbc_x10	Uses the cheap first-improvement downward Halfspace-Rays search from historical X10 d356, with one exact high-support factorization and an exact interval for every nonsingular high support. Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x12/ALGORITHM.md
improved_nbc_x13	Improved NBC-X13	retained	Dickinson intervals	improved_nbc_x12	Repeatedly takes the first exact one-coordinate Schur step that reduces the lower endpoint, then runs the inherited cheap downward Halfspace-Rays walk from the reduced face. Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x13/ALGORITHM.md
improved_nbc_x14	Improved NBC-X14	retained	curvature frontiers	improved_nbc_x13	Exhausts every curvature-preserving branch from each curvature certificate and inserts every distinct minimal upward or maximal downward frontier closure. Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x14/ALGORITHM.md
improved_nbc_x15	Improved NBC-X15	retained	curvature frontiers	improved_nbc_x14	Reuses direction-specific curvature-frontier subproblems only after their complete exact traversal, avoiding repeated overlap between later roots. Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x15/ALGORITHM.md
improved_nbc_x16	Improved NBC-X16	active	curvature frontiers	improved_nbc_x15	Traverses curvature frontiers directionally, using floating Schur updates on nonsingular interiors and exact singular handling. Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x16/ALGORITHM.md
improved_nbc_x17	Improved NBC-X17	active	curvature frontiers	improved_nbc_x16	Replaces only X16's high-frontier Dickinson search with the cheap first-improvement search preserved from historical X10. Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x17/ALGORITHM.md
improved_nbc_x18	Improved NBC-X18	active	Dickinson intervals	improved_nbc_x6	Restores historical X10 d356: a floating high-frontier active-face walk, followed by exact replay and verification of its complete zero set. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x18/ALGORITHM.md
improved_nbc_x19	Improved NBC-X19	active	curvature frontiers	improved_nbc_x16	Keeps X16's Schur-updated curvature-frontier traversal and replaces only its unresolved high-frontier Dickinson search with X18's floating active-face proposal and exact replay. Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x19/ALGORITHM.md
improved_nbc_x20	Improved NBC-X20	active	Dickinson intervals	improved_nbc_x19	Ranks Dickinson candidates by volume inside the completed low/high frontiers' remaining band and retains at most two equal-score intervals with a runtime maximum overlap percentage (default 50). Shared upward merging includes the latest finished low layer.	Improved NBC (complete high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x20/ALGORITHM.md
improved_nbc_x21	Improved NBC-X21	active	Dickinson intervals	improved_nbc_x6	Retains X6 traversal and ranks Dickinson candidates by open-band volume and retains at most two equal-score intervals with a runtime maximum overlap percentage (default 50). Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x21/ALGORITHM.md
improved_nbc_x31	Improved NBC-X31	active	Dickinson intervals	improved_nbc_x21	X21 search and open-band objective with only the first maximum-volume interval retained; secondary selection, overlap calculations and overlap parameter removed.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x31/ALGORITHM.md
improved_nbc_x32	Improved NBC-X32	experimental	Dickinson intervals	improved_nbc_x31	X31 search with one equal-band-score alternative only when whole intersection is at most 5% of both intervals, using exact bitsets and a five-bit width gap.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x32/ALGORITHM.md
improved_nbc_x22	Improved NBC-X22	active	Dickinson intervals	improved_nbc_x21	Retains X21's traversal, certificate selection, and compaction; creates a fresh SAT instance with permanent exact cardinality whenever a frontier changes layer. Shared upward merging includes the latest finished low layer.	Improved NBC (heuristic high; fresh fixed-cardinality SAT per layer)	upward+downward+interval	CP,SCP,both		improved_nbc_x22/ALGORITHM.md
improved_nbc_x23	Improved NBC-X23	active	Dickinson intervals	improved_nbc_x22	Retains X22's fixed-cardinality SAT and certificate algorithms; low queries have no prefix bookkeeping or assumptions and rely on immediate exact certificates. The heuristic high frontier retains its prefix cursor.	Improved NBC (prefix-free low; heuristic high; fixed-cardinality SAT)	upward+downward+interval	CP,SCP,both		improved_nbc_x23/ALGORITHM.md
ccudd_x24	CCUDD-X24	active	Dickinson intervals	improved_nbc_x23	Retains X23's matrix tests and open-band certificate optimization; replaces SAT enumeration with native Chain-CUDD interval subtraction and independent low/high layer roots. Unproved high visits remain globally open.	Chain-CUDD (fixed-order chained BDD)	upward+downward+interval	CP,SCP,both		ccudd_x24/ALGORITHM.md
improved_nbc_x25	Improved NBC-X25	active	Dickinson vector combinations	improved_nbc_x23	Low-only prefix-free traversal; retains exact traditional vectors even at curvature-pruned roots, searches signed pairs in floating point, and inserts every exactly verified interval without containment filtering. No downward pruning or RHS optimization.	Improved NBC (prefix-free low; fixed-cardinality SAT)	upward+interval	CP,SCP,both		improved_nbc_x25/ALGORITHM.md
improved_nbc_x26	Improved NBC-X26	active	Dickinson vector combinations	improved_nbc_x25	Caches original all-ones vectors. Primary support filter and secondary marginal bounds; shared sign scans, breakpoint-mask reuse, flat volume cache and reusable ranking buffers. Source-only bounds once per visit. Exact finalists with retries; curvature roots insert only their closure.	Improved NBC (prefix-free low; fixed-cardinality SAT)	upward+interval	CP,SCP,both		improved_nbc_x26/ALGORITHM.md
improved_nbc_x27	Improved NBC-X27	active	Dickinson vector combinations	improved_nbc_x26	One certificate per continuing root: curvature closure or maximum-D root-containing Dickinson interval, then maximum U. Original all-ones cache, floating signed-pair search and exact nominee retries. No secondary search, bounds or overlap scoring.	Improved NBC (prefix-free low; fixed-cardinality SAT)	upward+interval	CP,SCP,both		improved_nbc_x27/ALGORITHM.md
improved_nbc_x28	Improved NBC-X28	active	Dickinson vector combinations	improved_nbc_x27	X27 primary-only combination search with X6 alternating heuristic high-frontier PSD screening and exactly verified downward curvature closures. No high Dickinson search or high-vector cache; low queries stay prefix-free.	Improved NBC (prefix-free low; heuristic high; fixed-cardinality SAT)	upward+downward+interval	CP,SCP,both		improved_nbc_x28/ALGORITHM.md
improved_nbc_x29	Improved NBC-X29	active	Dickinson vector combinations	improved_nbc_x6	Unchanged X6 search followed by at most four cached traditional partners; signed repair-before-damage proposals, exact interval-containment verification, one final certificate. Bounded per-coordinate cache; no mixed vectors cached.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x29/ALGORITHM.md
improved_nbc_x30	Improved NBC-X30	active	Dickinson vector combinations	improved_nbc_x29	Unchanged X6 search, then two closest-to-zero missing upper targets and two cached parents per target/sign; at most eight direct candidates, one crossing each, first exact enlargement. No partner ranking or cancellation-only search.	Improved NBC (heuristic high; persistent SAT; compaction-only rebuild)	upward+downward+interval	CP,SCP,both		improved_nbc_x30/ALGORITHM.md
interval_recursive_dickinson	Interval-Recursive Dickinson	retained	Dickinson intervals	dickinson_2019	Uses Dickinson intervals to prune a recursive support generator.	none	interval	CP,SCP,both		interval_recursive_dickinson/ALGORITHM.md
interval_supports_g3	Interval-Supports-G3	retained	Dickinson intervals	improved_nbc_b7	Replaces Improved NBC with a direct exact interval-support generator.	interval generator	upward+downward+interval	CP,SCP,both		interval_supports_g3/ALGORITHM.md
kernel_cone_dickinson	Kernel-Cone Dickinson	retained	Dickinson intervals	ceiling_pruned_dickinson	Adds direct exact cone geometry in every high-nullity root kernel.	none	upward	CP,SCP,both		kernel_cone_dickinson/ALGORITHM.md
layered_singular_lift_dickinson	Layered Singular-Lift Dickinson	retained	Dickinson intervals	affine_companion_dickinson	Adds layer-delayed ceiling pruning and depth-first singular-support lifting.	none	upward	CP,SCP,both		layered_singular_lift_dickinson/ALGORITHM.md
milp_1	MILP 1	retained	MILP		Exact Gondzio-Yildirim mixed-integer formulation for the global simplex minimum.	none	n/a	CP,SCP,both		milp_1/ALGORITHM.md
minimal_sat_g4	Minimal SAT-G4	retained	Dickinson intervals	improved_nbc_b7	Replaces Improved NBC with a minimal non-learning DPLL engine.	minimal DPLL	upward+downward+interval	CP,SCP,both		minimal_sat_g4/ALGORITHM.md
multithreaded_cbdd_dickinson	Multithreaded CBDD Dickinson	retained	Dickinson intervals	cbdd_dickinson	Uses bounded parallel exact-support batches with coordinator-owned CBDD updates.	CBDD	interval	CP,SCP,both		multithreaded_cbdd_dickinson/ALGORITHM.md
nbc_b6	NBC-B6	retained	Dickinson intervals	sat_b3	Uses NBC MiniSat All to enumerate and compact complete ascending cardinality layers.	NBC MiniSat All	upward+interval	CP,SCP,both		nbc_b6/ALGORITHM.md
nbc_b7	NBC-B7	retained	Dickinson intervals	sat_b3	Uses a persistent NBC MiniSat All backend with alternating low/high traversal.	NBC MiniSat All	upward+downward+interval	CP,SCP,both		nbc_b7/ALGORITHM.md
nullity_support_pruned_dickinson	Nullity Support-Pruned Dickinson	retained	Dickinson intervals	support_pruned_dickinson	Adds singular-vector selection to support-pruned Dickinson.	none	interval	CP,SCP,both		nullity_support_pruned_dickinson/ALGORITHM.md
one_step_frank_wolfe_dickinson	Exact One-Step Frank-Wolfe Dickinson	retained	Dickinson intervals	frank_wolfe_dickinson	Uses one exact Frank-Wolfe segment before Dickinson.	none	interval	CP,SCP,both		one_step_frank_wolfe_dickinson/ALGORITHM.md
pairwise_frank_wolfe_dickinson	Pairwise Frank-Wolfe Dickinson	retained	Dickinson intervals	frank_wolfe_dickinson	Uses a pairwise-away proposal path before Dickinson.	none	interval	CP,SCP,both		pairwise_frank_wolfe_dickinson/ALGORITHM.md
rhs_dickinson	RHS Dickinson	retained	Dickinson intervals	nullity_support_pruned_dickinson	Searches strictly positive Dickinson right-hand sides.	none	interval	CP,SCP,both		rhs_dickinson/ALGORITHM.md
sat_a1	SAT-A1	retained	Dickinson intervals	sat_halfspace_rays_dickinson	Retains the inclusion-maximal antichain of upper endpoints encountered by existing exact sweeps.	CaDiCaL	interval	CP,SCP,both		sat_a1/ALGORITHM.md
sat_a2	SAT-A2	retained	Dickinson intervals	sat_halfspace_rays_dickinson	Adds one bounded maximum-halfspace LP relaxation and one LP-guided monotone extension.	CaDiCaL	interval	CP,SCP,both		sat_a2/ALGORITHM.md
sat_a3	SAT-A3	retained	Dickinson intervals	sat_halfspace_rays_dickinson	Adds bounded monotone LP-feasibility probes that preserve the Rays endpoint.	CaDiCaL	interval	CP,SCP,both		sat_a3/ALGORITHM.md
sat_a4	SAT-A4: Monotone-Only Dickinson	retained	Dickinson intervals	sat_dickinson	Applies bounded monotone LP-feasibility probes directly without Halfspace-Rays.	CaDiCaL	interval	CP,SCP,both		sat_a4/ALGORITHM.md
sat_a5	SAT-A5	retained	Dickinson intervals	sat_a3	Uses best-improvement monotone target selection within a shared deadline.	CaDiCaL	interval	CP,SCP,both		sat_a5/ALGORITHM.md
sat_b1	SAT-B1	retained	Dickinson intervals	sat_halfspace_rays_dickinson	Adds exact strict-convex-face exclusions before Halfspace-Rays.	CaDiCaL	upward+interval	CP,SCP,both		sat_b1/ALGORITHM.md
sat_b2	SAT-B2	retained	Dickinson intervals	sat_b1	Adds alternating low/high traversal and exactly verified high-frontier downward pruning.	CaDiCaL	upward+downward+interval	CP,SCP,both		sat_b2/ALGORITHM.md
sat_b3	SAT-B3	retained	Dickinson intervals	sat_b2	Broadens the high-frontier filter and downward pruning to consistent singular PSD supports.	CaDiCaL	upward+downward+interval	CP,SCP,both		sat_b3/ALGORITHM.md
sat_b4	SAT-B4	retained	Dickinson intervals	sat_b3	Adds recursive exact Johnson-Reams dimension reduction.	CaDiCaL	upward+downward+interval	CP,SCP,both		sat_b4/ALGORITHM.md
sat_b5	SAT-B5	retained	Dickinson intervals	sat_b4	Removes the high-frontier scan while retaining Johnson-Reams reduction.	CaDiCaL	upward+interval	CP,SCP,both		sat_b5/ALGORITHM.md
sat_c1	SAT-C1	retained	Dickinson intervals	sat_b3	Adds a heuristic-gated exact Schur-residual search inside Dickinson intervals.	CaDiCaL	upward+downward+interval	CP,SCP,both		sat_c1/ALGORITHM.md
sat_c2	SAT-C2	retained	Dickinson intervals	sat_c1	Adds bounded SAT-aware stationary-face walks and buffered curvature closures.	CaDiCaL	upward+downward+interval	CP,SCP,both		sat_c2/ALGORITHM.md
sat_c3	SAT-C3: Exact Upward-Closure Traversal	retained	support enumeration	ceiling_pruned_dickinson	Retains only exact full-upward curvature and full-ceiling Dickinson roots.	support generator	upward	CP,SCP,both		sat_c3/ALGORITHM.md
sat_c4	SAT-C4	retained	Dickinson intervals	sat_b3	Checks exact curvature at traditional, Halfspace, and synthesized-ray upper endpoints.	CaDiCaL	upward+downward+interval	CP,SCP,both		sat_c4/ALGORITHM.md
sat_dickinson	SAT Dickinson	retained	Dickinson intervals	dickinson_2019	Uses incremental CaDiCaL with one clause per Dickinson interval.	CaDiCaL	interval	CP,SCP,both		sat_dickinson/ALGORITHM.md
sat_halfspace_dickinson	SAT-Halfspace Dickinson	retained	Dickinson intervals	sat_dickinson	Adds cumulative exact coordinate search over strictly positive right-hand sides.	CaDiCaL	interval	CP,SCP,both		sat_halfspace_dickinson/ALGORITHM.md
sat_halfspace_lp_dickinson	SAT-Halfspace-LP Dickinson	retained	Dickinson intervals	sat_halfspace_rays_dickinson	Adds a tiny numerical full-ceiling LP with exact candidate verification.	CaDiCaL	interval	CP,SCP,both		sat_halfspace_lp_dickinson/ALGORITHM.md
sat_halfspace_milp_dickinson	SAT-Halfspace-MILP Dickinson	retained	Dickinson intervals	sat_dickinson	Adds a bounded local MILP maximizing the upper endpoint with exact candidate verification.	CaDiCaL	interval	CP,SCP,both		sat_halfspace_milp_dickinson/ALGORITHM.md
sat_halfspace_rays_dickinson	SAT-Halfspace-Rays Dickinson	retained	Dickinson intervals	sat_halfspace_dickinson	Uses a U-first, width-second Halfspace path plus at most two exact synthesized-ray sweeps.	CaDiCaL	interval	CP,SCP,both		sat_halfspace_rays_dickinson/ALGORITHM.md
sat_halfspace_rays_lookahead_dickinson	SAT-Halfspace-Rays Lookahead Dickinson	retained	Dickinson intervals	sat_halfspace_rays_dickinson	Adds one-cardinality child analysis and one-layer exact-result caching.	CaDiCaL	interval	CP,SCP,both		sat_halfspace_rays_lookahead_dickinson/ALGORITHM.md
sat_halfspace_rays_wide_dickinson	SAT-Halfspace-Rays Wide Dickinson	retained	Dickinson intervals	sat_halfspace_rays_dickinson	Keeps a full interval only when its width exceeds the configured percentage threshold.	CaDiCaL	interval	CP,SCP,both		sat_halfspace_rays_wide_dickinson/ALGORITHM.md
support_polished_frank_wolfe_dickinson	Support-Polished Frank-Wolfe Dickinson	retained	Dickinson intervals	frank_wolfe_dickinson	Adds an exact active-support polish before Dickinson.	none	interval	CP,SCP,both		support_polished_frank_wolfe_dickinson/ALGORITHM.md
support_pruned_dickinson	Support-Pruned Dickinson	retained	Dickinson intervals	dickinson_2019	Adds upward support pruning to Dickinson.	none	interval	CP,SCP,both		support_pruned_dickinson/ALGORITHM.md
upper_endpoint_cbdd_dickinson	Upper-Endpoint CBDD Dickinson	retained	Dickinson intervals	cbdd_dickinson	Solves each distinct larger certificate upper endpoint before activation.	CBDD	interval	CP,SCP,both		upper_endpoint_cbdd_dickinson/ALGORITHM.md
wide_certificate_cbdd_dickinson	Wide-Certificate CBDD Dickinson	retained	Dickinson intervals	cbdd_dickinson	Keeps a full interval only when its width exceeds the configured percentage threshold.	CBDD	interval	CP,SCP,both		wide_certificate_cbdd_dickinson/ALGORITHM.md
wide_certificate_sat_dickinson	Wide-Certificate SAT Dickinson	retained	Dickinson intervals	sat_dickinson	Keeps a full interval only when its width exceeds the configured percentage threshold.	CaDiCaL	interval	CP,SCP,both		wide_certificate_sat_dickinson/ALGORITHM.md
xxx	XXX	retained	Dickinson intervals	sat_halfspace_rays_dickinson	Adds exact KKT active-set paths whose interval batches commit only at a terminal point.	CaDiCaL	interval	CP,SCP,both		xxx/ALGORITHM.md
xxx_two	XXX Two	retained	Dickinson intervals	xxx	Uses binary64 KKT paths with exact verification, alternative-pivot backtracking, and path avoidance.	CaDiCaL	interval	CP,SCP,both		xxx_two/ALGORITHM.md
zdd_dickinson	ZDD Dickinson	retained	Dickinson intervals	dickinson_2019	Represents the Dickinson interval union with a zero-suppressed decision diagram.	ZDD	interval	CP,SCP,both		zdd_dickinson/ALGORITHM.md
zischg_dickinson	Zischg-Dickinson	retained	support enumeration	dickinson_2019	Applies Zischg Level 2 inside Dickinson supports.	none	interval	CP,SCP,both		zischg_dickinson/ALGORITHM.md
zischg_fracessa	Zischg-FracESSA	retained	support enumeration	fracessa	Applies Zischg Level 2 inside FracESSA supports.	none	upward	CP,SCP,both		zischg_fracessa/ALGORITHM.md
zischg_hadeler	Zischg-Hadeler	retained	support enumeration	hadeler_1983	Applies Zischg Level 2 inside Hadeler supports.	none	upward	CP,SCP,both		zischg_hadeler/ALGORITHM.md
