The finite alphabet of symbols permitted on the stack of a pushdown automaton. It may contain nonterminal symbols, terminal symbols, and a fresh stack bottom marker, independently of the input alphabet.
A finite alphabet is an alphabet whose symbols form a finite set. The binary alphabet {0,1} and a finite vocabulary of possible messages are examples.
Ancestors (5)
Incoming links (106)
- Automatic structure for a group
- Binary Markov source
- Blank symbol
- Block code
- Capacity of a disjoint sum of channels
- Chain decomposition of total correlation
- Channel capacity
- Channel decoder
- Channel encoder
- Concatenation of formal languages
- Cross-entropy
- Deflate Huffman coding
- Deterministic finite automaton
- Discrete memoryless channel
- Distortion measure (information theory)
- Entropy bounds for a type class
- Fano's inequality
- Finite alphabet
- Finite-alphabet entropy continuity bound
- Finite cross entropy bounds countable information entropy
- Finite-state machine
- Free monoid
- Full shift
- Full-support probability distribution on a finite alphabet
- Fully observed Markov source
- Gibbs variational principle for relative entropy
- Historical source for information projection
- Huffman coding
- Huffman sibling property
- Indexing within a type class
- Infinite intersection of regular languages
- Information entropy dominates min-entropy
- Information projection
- Joint entropy
- Kullback-Leibler divergence
- Linear speedup theorem
- Min-entropy
- Number of empirical types
- Optimal prefix code
- Padded convolution of words
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- Pythagorean inequality for information projection
- Quaternary Huffman coding
- Radix sort key encoding
- Rate-distortion function
- Reconstruction alphabet
- Relative entropy minimization under a mean constraint
- Relative entropy to a product law
- Scope and scale of total correlation
- Shannon's rate-distortion theorem
- Shape of minimum-cost positive-weight ternary prefix trees
- Stack alphabet
- Suffix-nonnegative binary language
- Symbolic dynamics
- Ternary prefix code
- Three-input two-point additive-noise channel
- Total correlation
- Transition function of a finite automaton
- Trit
- Turing machine encoding
- Type (information theory)
- Uniform recurrence
- Zero-rate distortion threshold
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