U+2963 "⥣" Upwards Harpoon with Barb Left Beside Upwards Harpoon with Barb Right Unicode Character

U+2963 "⥣" Upwards Harpoon with Barb Left Beside Upwards Harpoon with Barb Right is a specialized symbol used primarily in mathematical notation, particularly in the field of linear algebra and category theory, to denote a bidirectional upward relationship or a type of two-pronged arrow function. It combines two distinct left and right barbed harpoons side by side, both pointing upward, which visually represents a situation where two separate upward motions or mappings occur simultaneously or in parallel. This character is part of the Supplemental Arrows-B block and is less common in standard text but serves a precise role in advanced technical documents, such as those describing adjoint functors or vector transformations. Its design ensures clarity when differentiating between singular harpoons and this paired equivalent, making it a valuable tool for expressing complex relational structures in a compact, readable form.