The phrase "a special notation for" is correct and usable in written English.
It can be used when introducing a specific way of representing or indicating something, often in technical or academic contexts.
Example: "In mathematics, we often use a special notation for denoting complex numbers."
Alternatives: "a unique representation for" or "a specific symbol for".
The first 'elaborate' representation used a special type for aromatic bonds, the second also added a special type for any aromatic atom, and the third representation used a special notation for planar, not necessarily aromatic, structures.
To refer to the partitions of an MDP, we use a special notation: for each action a∈A, we have a partition (mathcal {P}_{R}^{a}) with respect to the reward function; and for each pair of action a∈A and state variable X i ∈X that can be changed by a, we have a partition (mathcal {P}_{X_{i}}^{a}) with respect to the factored probabilistic transition function.
To avoid confusion, let us introduce a special notation for various versions of the robust correlation coefficient rLWS based on different choices of weights.
For combining logical variables in the logical functions we use a special notation of Boolean operators known as 'sum of products'.
There is a special notation reserved for the increment and decrement operations that uses the operators.
Another way to make a reference without having to think about it all night is to make a special notation asking for prayers or remembrance in your wedding program.
Students who meet the criteria for honors will receive a special notation in the graduation program and on their transcripts.
A special notation using the initial letters of each syllable is utilized.
Fact checkers who revel in compiling lists of the president's "lies and misleading statements" should, in good faith, add a special notation referencing this particular presidential mantra.
Chess games and positions are recorded using a special notation, most often algebraic chess notation.
In a special notation section, Claus is revealed to have written, "Worked very hard on spelling".
