Though I will focus on existence monism and priority monism, there are of course other historically important monisms, including substance monism.
Recently, there were a number of focuses on existence problems, for example, see [9 11] and references therein, and functional differential equations were also investigated widely, such as work done in [12 14].
The aim of this study is to examine the factors driving the demand for drugs in Spain, focusing on the existence of disparities in pharmaceutical consumption between the Spanish and the foreign population.
There are multifarious and advanced methods, focusing on the existence of unique solutions to these models.
Based on biomass concentration-dependent impulsive perturbations, the studies [6, 66] proposed and analyzed chemostat models with state-dependent feedback control, again focusing on the existence and stability of an order-1 limit cycle.
But it would not be surprising if there were some truth to the report in the Italian newspaper La Repubblica that three Vatican cardinals conducted an investigation focusing on the existence of many gay men in the Vatican and produced a report on their findings.
Studies focusing on the existence of a "Glasgow effect" help to demonstrate this.
Thus, in the following two sections we will focus on the existence and non-existence of order-2 limit cycles for model (2.2) and provide some sufficient conditions or necessary conditions on this topic.
The plaintiffs switched gears a bit today, focusing on Aereo's existence as a retransmission service rather than focusing on the DVR-like functionality of the service.
There are many works focusing on the global existence and blow-up of non-local parabolic equations (see [9, 12 15] and the references therein).
