1. These groups, together with the boundary map ,, define a chain complex. 2. The district boundary map is provided by the Michigan Department of Information Technology. 3. The homomorphisms " " n " arise from the boundary maps of simplices. 4. Go to Croydon St John the Baptist AP / CP and choose'Boundary map '. 5. The boundary map of the Koszul complex can be written explicitly with respect to this basis. 6. The other was a set of separate floodway boundary maps , which depicted the extent of stream banks during floods. 7. The boundary map is defined as the direct sum of boundary maps on each of the terms of the sheet. 8. The nearby town of Haxby now merges with Wigginton though the old Parish Boundary map still shows the dividing line. 9. The nearby village of Wigginton now merges with Haxby though the old Parish Boundary map still shows the dividing line. 10. The boundary map is defined as the direct sum of boundary maps on each of the terms of the sheet.