The phrase "an attractive research topic" is correct and usable in written English.
You can use it when discussing or describing a subject that is appealing or interesting for academic or scientific investigation.
Example: "The study of renewable energy sources has emerged as an attractive research topic in recent years."
Alternatives: "a compelling research subject" or "an engaging research theme."
Sequences of NA random variables have been an attractive research topic in the recent literature.
Studying the inverse problems of synchronization which produce new types of chaos synchronization is an attractive research topic.
On the other hand, randomly weighted sums have been an attractive research topic in the literature of applied probability.
Stock portfolio optimization is both an attractive research topic and a complex problem due to the rapidly changing economy.
Nowadays, the development of bio-based plastics has become causing an attractive research topic in polymer science and engineering area.
Packing and cutting problems, which dealt with filling up a space of known dimension with small pieces, have been an attractive research topic to both industry and academia.
LaFeO3 with an orthorhombic phase of the ABO3-type perovskite structure has become a currently attractive research topic because it is proposed for various applications in several advanced technologies such as catalysts [1 3], various kinds of chemical and gas sensors [4 9], and electrode materials in solid oxide fuel cells [10].
Object tracking is always a very attractive research topic in computer vision and image processing.
MPC is a very attractive research topic to which sparsity methods are applied; in [11, 12] Gallieri and Maciejowski have proposed ℓ asso-MPC to reduce actuator activity, and in [13] Aguilera et al. have discussed minimization of the number of active actuators subject to closed-loop stability by using the ℓ 0 norm.
Recently, location estimation has been among the most attractive research topics in the area of cellular communications.
Hence, human motion analysis in automated video surveillance has become one of the most active and attractive research topics in the area of computer vision and pattern recognition.
