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The functional typologists divide the languages in the world into two groups, one is the subject-prominent language group and the other is the topic-prominent group. English belongs to the subject-prominent language and Chinese to the topic-prominent language. This paper aims to discuss and summarize the types and functions of topic chains on the basis of analyzing the topic chains used in the novel Fortress Besieged written by Chinese famous writer Zhongshu Qian.
We establish the
existence of positive solutions for singular boundary value problems of coupled
The proof relies on Schauder’s fixed point theorem. Some recent results
in the literature are generalized and improved.
By mixed monotone method, we establish the existence and uniqueness of
positive solutions for fourth-order nonlinear singular Sturm-Liouville
problems. The theorems obtained are very general and complement previously
is an essential characteristic of language. In recent years, the subjectivity
of language has been attracting the attention of the linguists. Two main
research strains have developed, one being represented by Langacker, and the
other by Traugott. The former studies subjectivity synchronically from a
cognitive perspective, noting that in addition to the proposition meaning, language
also expresses the speaker’s attitude, while the latter studies the process of
subjectification from a diachronic perspective, pointing out that language
tends to evolve from objectivity to subjectivity. Taking the Chinese word suoyi as an example, this research
studies the process of subjectification, finding that the grammaticalization of suoyi has gone through three stages
from a prepositional phrase through a causal conjunction to a discourse marker.
In this three-stage process, the conceptual meaning has been declining, and the
procedural meaning and the subjectivity have been strengthened.
By fixed point theorem of a mixed
monotone operator, we study boundary value problems to nonlinear singular
fourth-order differential equations, and provide sufficient conditions for the
existence and uniqueness of positive solution. The nonlinear term in the differential
equation may be singular.