Sentence examples for many papers focusing from inspiring English sources

Notice that in the literature there are many papers focusing on the solution of differential problems approached via fixed point theory (see, for example, [2 4] and the references therein).

It should be pointed out that there are many papers focusing on the stability problem of sampled-data systems, leakage delay, and sampled-data state feedback that have never been taken into consideration in the BAM neural networks.

As expected, many papers focus on economic-environmental issues.

However, many papers focused on the existence and multiplicity of solutions for fractional BVPs.

There have been many papers focused on boundary value problems of fractional differential equations (see [1 27]).

Since then, many papers focused on the boundedness of this operator on various function spaces.

There have been many papers focused on boundary value problems of fractional ordinary differential equations; see [1 16].

Especially, there have been many papers focused on boundary value problems of fractional ordinary differential equations (see [1 16]).

In the literature, there are many papers focus on minimizing the network cost for SNDP problem (see [[5],[9],[15]]) and references therein).

In particular, there are many papers focused on the existence or multiplicity of positive solutions for the boundary value problems of fractional ordinary differential equations (see [1 20]).

Recently, there have been many papers focused on boundary value problems of fractional ordinary differential equations [7 15] and an initial value problem of fractional functional differential equations [16 28].