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Branched surface

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is a component of the branched surface minus its branching set. Weights are assigned so that if a component branches into two other components, then the sum of the weights of the two unidentified halfplanes of that neighborhood is the weight of the identified halfplane.
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Shields, Sandra. "The stability of foliations of orientable 3-manifolds covered by a product." Transactions of the American Mathematical Society 348.11 (1996): 4653-4671.
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and glue it and A together along halfspaces so that the singular line of this gluing is transverse in A to the previous singular line.
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of each with a closed half-space of the other. This will be a surface except along a single line. Now, pick another copy C of
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Li, Tao. "Laminar Branched Surfaces in 3-manifolds." Geometry and Topology 6.153 (2002): 194.
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does not include any points whose only neighborhoods are the quotient space described above.
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Consider, however, the space obtained by taking the
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is maximal with respect to the above two conditions.
138: 112: 65: 169:; if this is done, the space is often called a 8: 153:is a space that is locally modeled on K. 132: 131: 129: 104: 100: 99: 96: 57: 53: 52: 49: 235: 120:under the identification of a closed 7: 44:is a space that locally looks like 14: 149:Call this complicated space K. A 113:{\displaystyle \mathbb {R} ^{2}} 66:{\displaystyle \mathbb {R} ^{2}} 161:A branched manifold can have a 177:and are assigned to subspaces 1: 181:that satisfy the following: 139:{\displaystyle \mathbb {R} } 24:is a generalization of both 173:. Weights are non-negative 165:assigned to various of its 294: 171:weighted branched manifold 140: 114: 67: 278:Generalized manifolds 141: 115: 91:of two copies A,B of 68: 128: 95: 48: 268:Geometric topology 136: 110: 63: 224:Branched manifold 219:Branched covering 285: 252: 249: 243: 240: 151:branched surface 145: 143: 142: 137: 135: 119: 117: 116: 111: 109: 108: 103: 72: 70: 69: 64: 62: 61: 56: 22:branched surface 293: 292: 288: 287: 286: 284: 283: 282: 258: 257: 256: 255: 250: 246: 241: 237: 232: 215: 159: 126: 125: 98: 93: 92: 75:Euclidean space 51: 46: 45: 38: 12: 11: 5: 291: 289: 281: 280: 275: 270: 260: 259: 254: 253: 244: 234: 233: 231: 228: 227: 226: 221: 214: 211: 202: 201: 195: 189: 158: 155: 134: 107: 102: 60: 55: 37: 34: 13: 10: 9: 6: 4: 3: 2: 290: 279: 276: 274: 271: 269: 266: 265: 263: 248: 245: 239: 236: 229: 225: 222: 220: 217: 216: 212: 210: 207: 199: 196: 193: 190: 187: 184: 183: 182: 180: 176: 172: 168: 164: 156: 154: 152: 147: 123: 105: 90: 85: 83: 82:homeomorphism 80: 76: 58: 43: 35: 33: 31: 27: 23: 19: 247: 238: 205: 203: 197: 191: 185: 178: 175:real numbers 170: 162: 160: 150: 148: 86: 39: 30:train tracks 21: 15: 273:3-manifolds 18:mathematics 262:Categories 230:References 122:half-space 36:Definition 204:That is, 167:subspaces 213:See also 188:is open. 89:quotient 26:surfaces 42:surface 163:weight 157:Weight 79:up to 84:). 28:and 20:, a 73:(a 16:In 264:: 77:, 40:A 32:. 206:N 198:N 192:N 186:N 179:N 133:R 106:2 101:R 59:2 54:R

Index

mathematics
surfaces
train tracks
surface
Euclidean space
up to
homeomorphism
quotient
half-space
subspaces
real numbers
Branched covering
Branched manifold
Categories
Geometric topology
3-manifolds
Generalized manifolds

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