U+2A3C "⨼" Interior Product Unicode Character
Unicode Version 17.0
⨼
U+2A3C "⨼" Interior Product is a mathematical notation used primarily in differential geometry and linear algebra to represent the interior product, often denoted as the contraction of a differential form with a vector field. This operation reduces the degree of a form by one, serving as a key tool in the study of differential forms and their relationships with vector fields on manifolds. Unlike the wedge product, which increases the degree, the interior product provides a way to combine vectors and forms, facilitating calculations in areas like symplectic geometry and electromagnetism. The symbol itself resembles a small "L" or a reversed "J" shape, distinguishing it from similar operators in formal mathematical typesetting.
General Properties
| Code Point | U+2A3C |
| Version Added | 3.2 |
| Name | Interior Product |
| Block | Supplemental Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Mirrored | Yes |
| Mirrored Character | "⨽" U+2A3D Righthand Interior Product |
Encodings
| HTML Decimal Encoding | ⨼ |
| HTML Hex Encoding | ⨼ |
| UTF-8 Encoding | 0xE2 0xA8 0xBC |
| UTF-16 Encoding | 0x2A3C |
| UTF-32 Encoding | 0x00002A3C |
| C/C++/Java Escape | \u2a3c |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |