<s>
In	O
applied	O
mathematics	O
,	O
a	O
doubly	B-Algorithm
linked	I-Algorithm
face	I-Algorithm
list	I-Algorithm
(	O
DLFL	O
)	O
is	O
an	O
efficient	O
data	B-General_Concept
structure	I-General_Concept
for	O
storing	O
2-manifold	O
mesh	O
data	O
.	O
</s>
<s>
The	O
structure	O
stores	O
linked	B-Data_Structure
lists	I-Data_Structure
for	O
a	O
3D	O
mesh	O
's	O
faces	O
,	O
edges	O
,	O
vertices	O
,	O
and	O
corners	O
.	O
</s>
<s>
The	O
structure	O
guarantees	O
the	O
preservation	O
of	O
the	O
manifold	B-Architecture
property	O
.	O
</s>
