Wedge operator is used to refer to gradient operator in mathematics. It is also used to refer to connections in differential geometry (in a broader sense, it can be regarded as gradient operators). It was put forward by Hamilton.
Extended data:
The name of Nabura operator comes from a harp called Nabura in Greek. Related words also exist in Aramaic and Hebrew. Another common name for this symbol is atled, because it is the inverted shape of the Greek letter δ. Besides atled, it also has a name called del.
Split operators are written in standard HTML &; Nabla, in latex, is \nabla. In Unicode, it is the decimal number 87 1 1 and the hexadecimal number 0x2207.
References:
Baidu Encyclopedia-Split Operator