# A ROLE OF SYMBOLS OF MINIMUM TYPE IN EXPONENTIAL CALCULUS

• LEE, Chang Hoon
• Accepted : 2016.01.12
• Published : 2016.01.30
• 45 10

#### Abstract

We introduce formal symbols of product type and of minimum type and show that the formal power series representation for $e^p$ is a formal symbol of product type, where p is a formal symbol of minimum type.

#### Keywords

Exponential calculus;Pseudodifferential operator;Symbol

#### References

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