Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Parameter estimations for SPDEs with multiplicative fractional noise   We study parameter estimation problem for diagonalizable stochastic partial
differential equations driven by a multiplicative fractional noise with any
Hurst parameter $H\in(0,1)$. Two classes of estimators are investigated:
traditional maximum likelihood type estimators, and a new class called
closed-form exact estimators. Finally the general results are applied to
stochastic heat equation driven by a fractional Brownian motion.

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The categories of this paper are: hep-ph
17
The categories of this paper are: q-fin
29
The categories of this paper are: funct-an
5
The categories of this paper are: gr-qc
3
The categories of this paper are: physics
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol
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The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
21
The categories of this paper are: adap-org
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
27
The categories of this paper are: comp-gas
37
The categories of this paper are: supr-con
13
The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat