Undecidable Languages - Easy Theory

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Curated by: Easy Theory (35 videos)

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Tracks in this Playlist

• Acceptance for Turing Machines is Undecidable, but Recognizable
• Decidable iff Recognizable and co-Recognizable Proof
• Emptiness for Turing Machines is Undecidable
• Regularity in Turing Machines is Undecidable
• Equivalence for Turing Machines is Undecidable
• Emptiness for Linear Bounded Automata is Undecidable
• Universality for Context-Free Grammars is Undecidable
• Equivalence for Context-Free Grammars is Undecidable and co-Recognizable
• Post Correspondence Problem (PCP) is Undecidable Proof
• The "Simple" Post Correspondence Problem is Decidable, Open Problems
• Mapping Reducibility + Reductions, what are they?
• Equivalence for Turing Machines is neither Recognizable nor co-Recognizable
• Detection of Ambiguous CFGs is Undecidable
• Post Correspondence Problem over Binary Alphabets is Undecidable
• Which of these mapping reductions is true?
• Mapping Reductions are not Always Possible
• Useless Turing Machines are Undecidable
• Live Solve of all GATE 2021 Computer Science (CSE) Theory Questions
• Is this the hardest exam ever? Solutions included!
• Stuck Ships are Undecidable!
• Busy Beaver Numbers are Undecidable
• Minimal Context-Free Grammars are Undecidable
• Private video
• Undecidable Languages NOT Closed Under Concatenation
• Why There's (Likely) No Pumping Lemma for Context-Sensitive Languages
• How accurate is Veritasium about the Collatz 3x+1 Problem?
• Rice's Theorem Proof using the Recursion Theorem?! - Easy Theory
• Undecidable Language Example: Moving Left Three Times in a Row
• How accurate is Tom Scott's "Are There Problems That Computers Can't Solve?" video?
• It's Impossible to Deal with So Much Space
• Decidable Languages NOT Closed Under Homomorphism
• 10 Reasons Why Computer Science Theory is Important
• Private video
• Rice's Theorem (Undecidability): 5 Proofs and Examples
• Rice's Theorem Example: Emptiness for Turing Machines