⟨ ⟩

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U+27E8, ⟨
MATHEMATICAL LEFT ANGLE BRACKET

[U+27E7]
Miscellaneous Mathematical Symbols-A
[U+27E9]

U+27E9, ⟩
MATHEMATICAL RIGHT ANGLE BRACKET

[U+27E8]
Miscellaneous Mathematical Symbols-A
[U+27EA]
U+3008, 〈
LEFT ANGLE BRACKET

[U+3007]
CJK Symbols and Punctuation
[U+3009]
U+3009, 〉
RIGHT ANGLE BRACKET

[U+3008]
CJK Symbols and Punctuation
[U+300A]
See also: ‹ ›, bra-ket, and ⟪ ⟫

Translingual

Symbol

⟨ ⟩ (English symbol name angle brackets)

  1. (mathematics) Encloses the inner product of two vectors.
  2. (mathematics) Denotes the expectation value of something.

Punctuation mark

⟨ ⟩

  1. (linguistics) Encloses orthographic representation.
  2. (papyrology, epigraphy) Encloses restored writing that was mistakenly omitted by the original scribe.

Usage notes

  • For these uses, the characters U+27E8 MATHEMATICAL LEFT ANGLE BRACKET and U+27E9 MATHEMATICAL RIGHT ANGLE BRACKET should be used.
  • The characters U+2329 LEFT-POINTING ANGLE BRACKET and U+232A RIGHT-POINTING ANGLE BRACKET are "deprecated and are strongly discouraged for mathematical use because of their canonical equivalence to CJK punctuation."[1]

Alternative forms

Coordinate terms

  • / / (for phonemic representation in linguistics)
  • [ ] (for phonetic representation in linguistics)

References

  1. ^ The Unicode Standard, Version 15.1[1] (pdf), 2023 September 12, Miscellaneous Technical Range: 2300–23FF

Chinese

Punctuation mark

  1. Encloses titles of books when embedded within a book title.
  2. Encloses titles of sections of a book.

See also

Japanese

Punctuation mark

  1. Encloses titles of books.