/- Copyright 2026 The Formal Conjectures Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at https://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. -/ import FormalConjecturesUtil.DeclName import FormalConjectures.Arxiv.«0912.2382».CurlingNumberConjecture import FormalConjectures.Arxiv.«1601.03081».UniqueCrystalComponents import FormalConjectures.Arxiv.«2501.03234».ArithmeticSumS import FormalConjectures.Books.UniformDistributionOfSequences.Equidistribution import FormalConjectures.ErdosProblems.«1002» import FormalConjectures.ErdosProblems.«1074» import FormalConjectures.ErdosProblems.«1092» import FormalConjectures.ErdosProblems.«1093» import FormalConjectures.ErdosProblems.«1097» import FormalConjectures.ErdosProblems.«1113» import FormalConjectures.ErdosProblems.«123» import FormalConjectures.ErdosProblems.«125» import FormalConjectures.ErdosProblems.«12» import FormalConjectures.ErdosProblems.«137» import FormalConjectures.ErdosProblems.«188» import FormalConjectures.ErdosProblems.«200» import FormalConjectures.ErdosProblems.«23» import FormalConjectures.ErdosProblems.«260» import FormalConjectures.ErdosProblems.«269» import FormalConjectures.ErdosProblems.«272» import FormalConjectures.ErdosProblems.«282» import FormalConjectures.ErdosProblems.«288» import FormalConjectures.ErdosProblems.«307» import FormalConjectures.ErdosProblems.«313» import FormalConjectures.ErdosProblems.«324» import FormalConjectures.ErdosProblems.«329» import FormalConjectures.ErdosProblems.«332» import FormalConjectures.ErdosProblems.«340» import FormalConjectures.ErdosProblems.«358» import FormalConjectures.ErdosProblems.«36» import FormalConjectures.ErdosProblems.«385» import FormalConjectures.ErdosProblems.«398» import FormalConjectures.ErdosProblems.«409» import FormalConjectures.ErdosProblems.«479» import FormalConjectures.ErdosProblems.«517» import FormalConjectures.ErdosProblems.«535» import FormalConjectures.ErdosProblems.«539» import FormalConjectures.ErdosProblems.«61» import FormalConjectures.ErdosProblems.«647» import FormalConjectures.ErdosProblems.«694» import FormalConjectures.ErdosProblems.«695» import FormalConjectures.ErdosProblems.«770» import FormalConjectures.ErdosProblems.«830» import FormalConjectures.ErdosProblems.«887» import FormalConjectures.ErdosProblems.«888» import FormalConjectures.ErdosProblems.«890» import FormalConjectures.ErdosProblems.«92» import FormalConjectures.ErdosProblems.«931» import FormalConjectures.ErdosProblems.«952» import FormalConjectures.ErdosProblems.«996» import FormalConjectures.GreensOpenProblems.«14» import FormalConjectures.GreensOpenProblems.«24» import FormalConjectures.GreensOpenProblems.«31» import FormalConjectures.GreensOpenProblems.«58» import FormalConjectures.GreensOpenProblems.«61» import FormalConjectures.GreensOpenProblems.«9» import FormalConjectures.Mathoverflow.«1973» import FormalConjectures.Millenium.Poincare import FormalConjectures.OEIS.«303656» import FormalConjectures.OEIS.«308734» import FormalConjectures.OEIS.«41» import FormalConjectures.OEIS.«63880» import FormalConjectures.OEIS.«67720» import FormalConjectures.OEIS.«80170» import FormalConjectures.OpenQuantumProblems.«23» import FormalConjectures.Paper.MonochromaticQuantumGraph import FormalConjectures.Wikipedia.Buchi import FormalConjectures.Wikipedia.ClassNumberProblem import FormalConjectures.Wikipedia.DiameterSimpleFiniteGroups import FormalConjectures.Wikipedia.EllipticCurveRank import FormalConjectures.Wikipedia.EulerBrick import FormalConjectures.Wikipedia.Gilbreath import FormalConjectures.Wikipedia.Grimm import FormalConjectures.Wikipedia.Irrational import FormalConjectures.Wikipedia.Koethe import FormalConjectures.Wikipedia.LittlewoodConjecture import FormalConjectures.Wikipedia.LychrelNumbers import FormalConjectures.Wikipedia.Mandelbrot import FormalConjectures.Wikipedia.Pell import FormalConjectures.Wikipedia.RamseyNumbers import FormalConjectures.Wikipedia.RiemannZetaValues import FormalConjectures.Wikipedia.Selfridge import FormalConjectures.Wikipedia.SumOfThreeCubes import FormalConjectures.Wikipedia.Superperfectnumbers import FormalConjectures.Wikipedia.Transcendental import FormalConjectures.Wikipedia.UnionClosed import FormalConjectures.WrittenOnTheWallII.GraphConjecture316 import FormalConjectures.WrittenOnTheWallII.GraphConjecture327

FC100OpenSet1

A random subset of 100 open research problems, drawn uniformly at random from all problems with the category research open tag.

namespace Subsets.FC100OpenSet1 open Lean in def problems : List Name := [ decl_name% OeisA308734.conjecture, decl_name% Buchi.buchi_problem, decl_name% Erdos200.erdos_200, decl_name% Green31.green_31.variants.upper_eventually, decl_name% Equidistribution.isAccumulationPoint_three_halves_pow, decl_name% Koethe.KotherConjecture.variants.matrixOver_KotherRadical, decl_name% Erdos535.erdos_535.variants.first_open_case, decl_name% LychrelNumbers.no_lychrel_numbers_base10, decl_name% Erdos830.erdos_830.parts.ii, decl_name% Erdos125.erdos_125.variants.positive_unequal_density, decl_name% Erdos1113.erdos_1113.variants.filaseta_finch_kozek, decl_name% Erdos539.erdos_539.variants.isBigO_sq, decl_name% RiemannZetaValues.irrational_five, decl_name% Erdos1074.erdos_1074.parts.ii, decl_name% Erdos282.erdos_282.variants.general, decl_name% PellNumbers.infinite_pellNumber_primes, decl_name% ClassNumberProblem.class_number_problem, decl_name% Grimm.grimm_conjecture_weak, decl_name% OeisA63880.mod_216_of_a, decl_name% Green24.green_24, decl_name% Erdos12.erdos_12.parts.iii, decl_name% Erdos288.erdos_288.variants.exists_k_gt_2, decl_name% EllipticCurveRank.RatEllipticCurve.twentyone_le_rank_height_count_asymptotic, decl_name% Erdos647.erdos_647.variants.lim, decl_name% Selfridge.selfridge_conjecture, decl_name% Erdos887.erdos_887.parts.i, decl_name% Erdos340.erdos_340.variants.co_density_zero_sub, decl_name% Erdos694.erdos_694.variants.carmichael, decl_name% Mathoverflow1973.mathoverflow_1973, decl_name% Erdos479.erdos_479, decl_name% OeisA67720.prime_add_one_of_a, decl_name% Erdos1092.f_asymptotic_general, decl_name% Erdos1074.erdos_1074.parts.iv, decl_name% Green9.green_9_iii, decl_name% Erdos770.erdos_770.variants.three, decl_name% Erdos137.erdos_137.variants.multiple_powerful_factors, decl_name% Irrational.irrational_e_to_e, decl_name% Erdos324.erdos_324, decl_name% Erdos329.erdos_329, decl_name% Transcendental.pi_pow_pi_pow_pi_transcendental, decl_name% Erdos409.erdos_409.parts.i.isBigO, decl_name% Arxiv.«2501.03234».conjecture_4_1, decl_name% MonochromaticQuantumGraph.eqSystem10_no_solution_d3, decl_name% PoincareConjecture.poincare_conjecture.variants.smooth_dimension_four, decl_name% Transcendental.pi_pow_sqrt_two_transcendental, decl_name% OeisA303656.conjecture, decl_name% Erdos517.erdos_517, decl_name% MonochromaticQuantumGraph.eqSystem16_no_solution_d3, decl_name% Arxiv.«0912.2382».curling_number_conjecture, decl_name% Grimm.grimm_conjecture, decl_name% Erdos272.erdos_272.variants.szabo_strong, decl_name% UnionClosed.union_closed.variants.cardinality_even_of_union_closed_tight, decl_name% MonochromaticQuantumGraph.eqSystem12_no_solution_d3, decl_name% Erdos1097.erdos_1097, decl_name% MonochromaticQuantumGraph.eqSystem_no_solution_ge6_ge3_real, decl_name% Erdos952.erdos_952, decl_name% Green58.green_58, decl_name% Erdos329.erdos_329.variants.converse_implication, decl_name% Mandelbrot.MLC, decl_name% Erdos890.erdos_890.parts.a, decl_name% Erdos1002.erdos_1002, decl_name% Erdos188.erdos_188, decl_name% BabaiSeressConjectures.babai_seress_conjecture_alternating, decl_name% OpenQuantumProblem23.hasSICPOVM_60, decl_name% Erdos23.erdos_23, decl_name% Gilbreath.gilbreath_conjecture, decl_name% Erdos313.erdos_313, decl_name% Green14.W_3_39_lower, decl_name% Erdos931.erdos_931.variants.exists_prime, decl_name% Erdos398.erdos_398, decl_name% Erdos61.erdos_61, decl_name% Erdos996.erdos_996, decl_name% Erdos695.erdos_695, decl_name% MonochromaticQuantumGraph.eqSystem10_no_solution_d3_trinary_int, decl_name% Erdos92.erdos_92.variants.weak, decl_name% RamseyNumbers.ramsey_number_five_five, decl_name% Erdos385.erdos_385.parts.ii, decl_name% LittlewoodConjecture.padic_littlewood_conjecture, decl_name% Mandelbrot.volume_frontier_mandelbrotSet_eq_zero, decl_name% Erdos358.erdos_358.variants.prime_set, decl_name% OeisA80170.gcdCondition_iff_primePowerCondition, decl_name% Erdos332.erdos_332, decl_name% Green14.W_3_37_lower, decl_name% EulerBrick.cuboidThree, decl_name% Erdos269.erdos_269.variants.rational, decl_name% Arxiv.«1601.03081».crystals_components_unique, decl_name% Erdos123.erdos_123.variants.powers_2_3_5_snug, decl_name% SumOfThreeCubes.isSumOfThreeCubes_iff_mod_9, decl_name% WrittenOnTheWallII.GraphConjecture327.conjecture327, decl_name% WrittenOnTheWallII.GraphConjecture316.conjecture316, decl_name% Erdos888.erdos_888, decl_name% Erdos260.erdos_260, decl_name% Erdos36.erdos_36.variants.lower, decl_name% MonochromaticQuantumGraph.eqSystem10_no_solution_d4, decl_name% Superperfect.twoFivePerfect, decl_name% Erdos307.erdos_307, decl_name% MonochromaticQuantumGraph.eqSystem6_no_solution_d4, decl_name% OeisA41.noPowerPartitionNumber, decl_name% Erdos1093.erdos_1093.parts.ii, decl_name% Green61.green_61 ] end Subsets.FC100OpenSet1 open Lean Meta ProblemAttributes in #eval verifyCategoryCounts Subsets.FC100OpenSet1.problems [ ("research open", 94), ("research solved", 6) ]