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Template: Unsolved problems. 10 languages. ... Print/export Download as PDF; Printable version; In other projects Wikidata item;
Download as PDF; Printable version ... List of unsolved problems may refer to several notable conjectures or open problems in ... Unsolved problems in information theory;
A template that can be added for articles relating to unsolved problems in the sciences. Template parameters [Edit template data] Parameter Description Type Status Field 1 The field of science that the unsolved problem applies to Example computer science String required Explanation 2 A concise explanation of the unsolved problem. Example Can [[one-way function]]s be proved to exist? Content ...
Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.
Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. Help ... Pages in category "Unsolved problems in number theory"
Find minimal l n such that any set of n residues modulo p can be covered by an arithmetic progression of the length l n. [7] For a given set S of integers find the minimal number of arithmetic progressions that cover S; For a given set S of integers find the minimal number of nonoverlapping arithmetic progressions that cover S
Secondly, we show that if a set system contains an element in at least half the sets, then its complement has an element in at most half. Lemma 2. A set system contains an element in half of its sets if and only if the complement set system , contains an element in at most half of its sets. Proof.
This category is intended for all unsolved problems in mathematics, including conjectures. Conjectures are qualified by having a suggested or proposed hypothesis. There may or may not be conjectures for all unsolved problems.