Source notes for Problem 25

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araujo_2026_sarnaks_program_erdos_sieves_part_ii_measure_systems_applications: Source notes for Problem 25: Sarnak’s Program for Erdős Sieves. Part II: Measure Systems and Applications.

balister_2018_erdos_covering_problem_density_uncovered_set: Source notes for Problem 25: library/covering_systems/balister_2018_erdos_covering_problem_density_uncovered_set.

besicovitch_1935_density_certain_sequences_integers: Source notes for Problem 25: On the density of certain sequences of integers.

chojecki_2026_truncated_congruence_sieves_erdos_problem_25: Source notes for Problem 25: library/integer_sequences/chojecki_2026_truncated_congruence_sieves_erdos_problem_25.

davenport_erdos_1936_sequences_positive_integers: Source notes for Problem 25: On sequences of positive integers.

davenport_erdos_1951_sequences_positive_integers: Source notes for Problem 25: On sequences of positive integers.

filaseta_2007_sieving_large_integers_covering_systems_congruences: Source notes for Problem 25: library/integer_sequences/filaseta_2007_sieving_large_integers_covering_systems_congruences.

hough_2015_solution_minimum_modulus_problem_covering_systems: Source notes for Problem 25: library/covering_systems/hough_2015_solution_minimum_modulus_problem_covering_systems.

wang_2026_proposed_solution_erdos_problem_486: Source notes for Problem 25: Wang: A Proposed Solution to Erdős Problem 486.

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These notes summarize sources used in the research. Consult the canonical library records where linked for retained reading copies and bibliographic details.