1. DCEL is more than just a doubly linked list of edges. 2. A doubly linked list is easier to write than a splay tree. 3. It is implemented using a doubly linked list of fixed-length subarrays. 4. It takes advantage of the bitwise XOR operation to decrease storage requirements for doubly linked lists. 5. Each row and column in the matrix will consist of a circular doubly linked list of nodes. 6. Each leaf stores a pointer to its predecessor and successor, thereby forming a doubly linked list. 7. This would form an open doubly linked list which could be traversed at will, backwards or forwards. 8. It is also possible to include a " previous " pointer for an unrolled doubly linked list. 9. A variant developed by TSC for and marketed by Smoke Signal Broadcasting in California, used doubly linked lists in the same manner. 10. A queap can be represented by two data structures : a doubly linked list and a modified version of 2-4 tree.
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