forager
发表于 2025-3-28 15:00:25
Human-Computer Systems InteractionIn this paper, we extend Simon’s theorem to scattered words. We consider words whose length is a countable scattered linear orderings. We give an algebraic characterization of Boolean combinations of .-upper sets where . is the subword relation, also known as embedding on words.
刺耳
发表于 2025-3-28 21:20:52
Some Open Problems in Polyomino Tilings,The author surveys 15 open problems regarding the algorithmic, structural, and existential properties of polyomino tilings.
Misnomer
发表于 2025-3-29 02:30:14
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混沌
发表于 2025-3-29 03:46:17
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LIMIT
发表于 2025-3-29 08:28:30
On the Commutative Equivalence of Context-Free Languages,The problem of the commutative equivalence of context-free and regular languages is studied. In particular conditions ensuring that a context-free language of exponential growth is commutatively equivalent with a regular language are investigated.
碎片
发表于 2025-3-29 14:57:41
,Simon’s Theorem for Scattered Words,In this paper, we extend Simon’s theorem to scattered words. We consider words whose length is a countable scattered linear orderings. We give an algebraic characterization of Boolean combinations of .-upper sets where . is the subword relation, also known as embedding on words.
不知疲倦
发表于 2025-3-29 17:34:36
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myopia
发表于 2025-3-29 20:35:23
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absolve
发表于 2025-3-30 03:40:01
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我正派
发表于 2025-3-30 05:55:01
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