The paper also gives some corrections to several theorems and their proofs about the dimension of the modularlattice ih the books" Modern Algebra" by Wu and "Abstract Algebra" by Xu.
并对“近世代数”（吴品三）、“抽象代数”（徐诚浩）中有关模格维数几个定理证明的遗漏，作了某些补证。
2
The main topic of this thesis is about central hyperplane arrangements with modular elements in their intersection lattice.