%PDF-1.6
%
1 0 obj
<>
endobj
146 0 obj
<>stream
application/pdf
HyperGEAR TIFF/PDF Convert Library
2003-09-09T18:35:13Z
HyperGEAR,inc.
2010-02-19T19:01:30+11:00
2010-02-19T19:01:30+11:00
Adobe Acrobat 9.31 Paper Capture Plug-in
uuid:ac6bdfc6-ce0d-864e-98fb-803d2b6b8750
uuid:f5d6916b-6b5c-914c-841e-b6b510715793
endstream
endobj
4 0 obj
<>
endobj
3 0 obj
<>
endobj
6 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
16 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
26 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
36 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
46 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
56 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
66 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
76 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
86 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
96 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
106 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
116 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
126 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
136 0 obj
<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>>
endobj
251 0 obj
<>stream
q
403.1999969 0 0 336.9600067 0 239.0399933 cm
/Im0 Do
Q
q
403.1999969 0 0 239.0399933 0 0 cm
/Im1 Do
Q
BT
/T1_0 1 Tf
0.05 Tc 3 Tr 10.84 0 0 9.3 22.45 554.59 Tm
(Proof. )Tj
0.0103 Tc 9.3 0 0 9.3 57.97 554.59 Tm
(Since )Tj
/T1_1 1 Tf
0 Tc 9.2 0 0 9.2 82.72 554.59 Tm
(G)Tj
/T1_2 1 Tf
6.2 0 0 6.2 89.25 553.3199 Tm
(m )Tj
/T1_0 1 Tf
0.0389 Tc 9.3 0 0 9.3 99.09 554.59 Tm
(and )Tj
/T1_1 1 Tf
0 Tc 9.2 0 0 9.2 117.1 554.59 Tm
(G)Tj
/T1_2 1 Tf
6.2 0 0 6.2 123.81 553.5099 Tm
(m)Tj
/T1_1 1 Tf
9.9 0 0 9.9 129.52 554.59 Tm
(+)Tj
/T1_2 1 Tf
6.2 0 0 6.2 134.8 553.5099 Tm
(2 )Tj
/T1_0 1 Tf
0.0235 Tc 9.3 0 0 9.3 141.75 554.59 Tm
(can )Tj
0.0343 Tc 1.849 0 Td
(be )Tj
0.0166 Tc 1.382 0 Td
(edge )Tj
0.0229 Tc 2.332 0 Td
(homogeneously )Tj
0.0494 Tc 7.016 0 Td
(embedded )Tj
0.0133 Tc 4.802 0 Td
(in )Tj
0.0396 Tc 1.206 0 Td
(the )Tj
0.0395 Tc 1.677 0 Td
(graph )Tj
0.0003 Tc 2.844 0 Td
(of )Tj
0.0395 Tc -35.946 -1.239 Td
(size )Tj
0 Tc 2.005 0 Td
(m )Tj
/T1_3 1 Tf
13.6 0 0 13.6 51.08 543.0699 Tm
(+ )Tj
/T1_0 1 Tf
9.3 0 0 9.3 59.78 543.0699 Tm
(8 )Tj
0.0116 Tc 0.816 0 Td
(shown )Tj
-0.006 Tc 3.025 0 Td
(in )Tj
0.0313 Tc 1.146 0 Td
(Figure )Tj
/T1_2 1 Tf
0.0096 Tc 9.1 0 0 9.1 135.38 543.0699 Tm
(13\(i\) )Tj
/T1_0 1 Tf
-0.012 Tc 9.3 0 0 9.3 156.68 543.0699 Tm
(for )Tj
0 Tc 1.538 0 Td
(m )Tj
/T1_3 1 Tf
8.7 0 0 8.7 182.02 543.0699 Tm
(= )Tj
/T1_0 1 Tf
9.3 0 0 9.3 191.84 543.0699 Tm
(4 )Tj
0.0389 Tc 0.808 0 Td
(and )Tj
0.0327 Tc 1.878 0 Td
(in )Tj
0.0468 Tc 1.185 0 Td
(Figure )Tj
/T1_2 1 Tf
0.0393 Tc 9.1 0 0 9.1 257.78 543.0699 Tm
(13\(ii\) )Tj
/T1_0 1 Tf
-0.012 Tc 9.3 0 0 9.3 283.22 543.0699 Tm
(for )Tj
0 Tc 1.557 0 Td
(m )Tj
/C0_0 1 Tf
5.7601 0 0 7.5601 308.89 543.0699 Tm
<007E0020>Tj
/T1_0 1 Tf
-0.035 Tc 8.3431 0 0 9.3 318.51 543.0699 Tm
(7, )Tj
0.0428 Tc 9.3 0 0 9.3 328.06 543.0699 Tm
(it )Tj
-0.0254 Tc 0.927 0 Td
(follows )Tj
0.05 Tc 10.5068 0 0 9.3 22.29 531.3699 Tm
(that )Tj
/T1_2 1 Tf
10.4912 0 0 9.1 43.29 531.3699 Tm
(efr\(G)Tj
0 Tc 6.2 0 0 6.2 67.83 530.47 Tm
(m)Tj
1.14 0.145 Td
(, )Tj
9.1 0 0 9.1 78.84 531.3699 Tm
(G)Tj
6.2 0 0 6.2 85.29 530.47 Tm
(m)Tj
/T1_1 1 Tf
9.9 0 0 9.9 91.18 531.3699 Tm
(+)Tj
/T1_2 1 Tf
6.2 0 0 6.2 96.64 530.2899 Tm
(2)Tj
0.647 0.174 Td
(\) )Tj
/T1_0 1 Tf
0.05 Tc 6.3385 0 0 6.2 106.94 531.3699 Tm
(::; )Tj
/T1_2 1 Tf
9.8744 0 0 9.1 116.41 531.3699 Tm
(m+8. )Tj
/T1_0 1 Tf
-0.0025 Tc 9.3 0 0 9.3 144.32 531.3699 Tm
(By )Tj
0.0249 Tc 1.484 0 Td
(Corollary )Tj
-0.035 Tc 8.5333 0 0 9.3 198.67 531.3699 Tm
(2, )Tj
/T1_2 1 Tf
0.05 Tc 10.4912 0 0 9.1 208.17 531.3699 Tm
(efr\(G)Tj
0 Tc 6.2 0 0 6.2 232.71 530.2899 Tm
(m)Tj
1.111 0.174 Td
(, )Tj
9.1 0 0 9.1 243.72 531.3699 Tm
(G)Tj
6.2 0 0 6.2 250.53 530.2899 Tm
(m)Tj
/T1_1 1 Tf
9.9 0 0 9.9 256.42 531.3699 Tm
(+)Tj
/T1_2 1 Tf
6.2 0 0 6.2 261.88 530.2899 Tm
(2)Tj
0.705 0.174 Td
(\) )Tj
/C0_0 1 Tf
5.9401 0 0 7.7401 272.53 531.3699 Tm
<007E0020>Tj
/T1_2 1 Tf
0.05 Tc 10.1114 0 0 9.1 282.37 531.3699 Tm
(m+8. )Tj
/T1_0 1 Tf
0.0197 Tc 9.3 0 0 9.3 310.58 531.3699 Tm
(Consequently )Tj
/T1_2 1 Tf
0.05 Tc 11.2889 0 0 9.1 22.58 519.85 Tm
(efr\( )Tj
/T1_1 1 Tf
0 Tc 9.2 0 0 9.2 41.5 519.85 Tm
(G)Tj
/T1_2 1 Tf
6.2 0 0 6.2 48.21 518.7599 Tm
(m)Tj
1.14 0.176 Td
(, )Tj
/T1_1 1 Tf
9.2 0 0 9.2 58.96 519.85 Tm
(G)Tj
/T1_2 1 Tf
6.2 0 0 6.2 65.67 518.7599 Tm
(m)Tj
/T1_1 1 Tf
9.9 0 0 9.9 71.56 519.85 Tm
(+)Tj
/T1_2 1 Tf
6.2 0 0 6.2 77.02 518.7599 Tm
(2)Tj
0.676 0.176 Td
(\) )Tj
/T1_0 1 Tf
13 0 0 13 87.23 519.85 Tm
(= )Tj
9.3 0 0 9.3 97 519.85 Tm
(m )Tj
/T1_3 1 Tf
14 0 0 14 107.05 519.85 Tm
(+ )Tj
/T1_0 1 Tf
9.3 0 0 9.3 116.12 519.85 Tm
(8 )Tj
-0.0274 Tc 0.859 0 Td
(as )Tj
0.0196 Tc 1.209 0 Td
(required. )Tj
0 Tc 7.6 0 0 7.6 175.42 519.85 Tm
(0 )Tj
10.3 0 0 10.3 97.26 428.2299 Tm
(\( )Tj
-0.0172 Tc 0.3 0 Td
(i\) )Tj
0.0429 Tc 9.3 0 0 9.3 170.24 406.81 Tm
(Figure )Tj
-0.035 Tc 8.8764 0 0 9.6 200.03 406.81 Tm
(13: )Tj
0.05 Tc 14.8904 0 0 13.2 21.89 357.13 Tm
(References )Tj
/C0_0 1 Tf
0 Tc 55.4401 0 0 4.3201 255.07 444.4299 Tm
<007E0020>Tj
/T1_0 1 Tf
9.3 0 0 9.3 253.6 434.71 Tm
[(m )-104(-)-652(5 )]TJ
0.0217 Tc 3 0 Td
(vertices )Tj
/T1_2 1 Tf
0 Tc 9.1 0 0 9.1 276.3 423.55 Tm
(\( )Tj
0.05 Tc 9.4636 0 0 9.1 279.6 423.55 Tm
(ii\) )Tj
/T1_0 1 Tf
-0.035 Tc 8.3161 0 0 9.3 22.48 337.8699 Tm
([1] )Tj
-0.0279 Tc 9.3 0 0 9.3 37.89 337.8699 Tm
(G. )Tj
0.05 Tc 9.3594 0 0 9.3 51.02 337.8699 Tm
(Chartrand, )Tj
-0.035 Tc 9.1376 0 0 9.3 98.78 337.8699 Tm
(H. )Tj
0.0114 Tc 9.3 0 0 9.3 111.33 337.8699 Tm
(Gavlas, )Tj
0.0389 Tc 3.503 0 Td
(and )Tj
-0.035 Tc 9.054 0 0 9.3 161.78 337.8699 Tm
(M. )Tj
0.0223 Tc 9.3 0 0 9.3 175.69 337.8699 Tm
(Schultz, )Tj
0.05 Tc 3.769 0 Td
(FRAMED! )Tj
0 Tc 5.209 0 Td
(A )Tj
0.05 Tc 9.361 0 0 9.3 269.02 337.8699 Tm
(graph )Tj
0.0305 Tc 9.3 0 0 9.3 295.46 337.8699 Tm
(embedding )Tj
0.0075 Tc 5.025 0 Td
(prob\255)Tj
0.0163 Tc -32.971 -1.026 Td
(lem. )Tj
/T1_2 1 Tf
0.0159 Tc 9.1 0 0 9.1 56.41 328.33 Tm
(Bull. )Tj
0.0246 Tc 2.534 0 Td
(Inst. )Tj
0.0116 Tc 2.423 0 Td
(Gombin. )Tj
0.0257 Tc 4.031 0 Td
(Appl. )Tj
/T1_0 1 Tf
0 Tc 9.3 0 0 9.3 162.32 328.33 Tm
(4 )Tj
-0.0141 Tc 9.6 0 0 9.6 171.07 328.33 Tm
(\(1992\), )Tj
0.0008 Tc 3.244 0 Td
(35-50. )Tj
/T1_3 1 Tf
-0.035 Tc 8.691 0 0 10.1 22.69 311.77 Tm
([2] )Tj
/T1_0 1 Tf
-0.0279 Tc 9.3 0 0 9.3 38.07 311.77 Tm
(G. )Tj
0.05 Tc 9.3209 0 0 9.3 51.38 311.77 Tm
(Chartrand, )Tj
-0.0034 Tc 9.3 0 0 9.3 99.32 311.77 Tm
(M.A. )Tj
0.0133 Tc 2.574 0 Td
(Henning, )Tj
-0.035 Tc 8.9432 0 0 9.3 162.32 311.77 Tm
(H. )Tj
0.0172 Tc 9.3 0 0 9.3 175.1 311.77 Tm
(Hevia, )Tj
0.05 Tc 9.3999 0 0 9.3 204.02 311.77 Tm
(and )Tj
-0.0149 Tc 9.3 0 0 9.3 222.61 311.77 Tm
(E. )Tj
0.05 Tc 9.8548 0 0 9.3 234.84 311.77 Tm
(Jarrett, )Tj
0 Tc 9.3 0 0 9.3 269.62 311.77 Tm
(A )Tj
0.0111 Tc 1.124 0 Td
(new )Tj
0.0305 Tc 2.101 0 Td
(characterization )Tj
0.0197 Tc -28.394 -1.045 Td
(of )Tj
0.05 Tc 9.5625 0 0 9.3 46.42 302.05 Tm
(the )Tj
0.0413 Tc 9.3 0 0 9.3 62.6 302.05 Tm
(Petersen )Tj
0.0319 Tc 3.983 0 Td
(graph. )Tj
/T1_1 1 Tf
-0.035 Tc 8.4805 0 0 9.2 129.16 302.05 Tm
(J. )Tj
/T1_2 1 Tf
0.0116 Tc 9.1 0 0 9.1 140.22 302.05 Tm
(Gombin. )Tj
0.0435 Tc 4.065 0 Td
(Inform. )Tj
0.05 Tc 9.2308 0 0 9.1 210.77 302.05 Tm
(System. )Tj
0.034 Tc 9.1 0 0 9.1 246.23 302.05 Tm
(Sci. )Tj
/T1_0 1 Tf
0.05 Tc 9.6015 0 0 9.3 264.9 302.05 Tm
(20 )Tj
-0.0141 Tc 9.6 0 0 9.6 279.25 302.05 Tm
(\(1995\), )Tj
-0.0163 Tc 3.249 0 Td
(219-227. )Tj
-0.035 Tc 8.3161 0 0 9.3 22.66 285.67 Tm
([3] )Tj
-0.0279 Tc 9.3 0 0 9.3 37.89 285.67 Tm
(G. )Tj
0.05 Tc 9.4252 0 0 9.3 51.92 285.67 Tm
(Chartrand )Tj
0.0292 Tc 9.3 0 0 9.3 98.01 285.67 Tm
(and )Tj
-0.035 Tc 8.6374 0 0 9.8 116.95 285.67 Tm
(L. )Tj
0.0037 Tc 9.3 0 0 9.3 129.37 285.67 Tm
(Lesniak, )Tj
/T1_2 1 Tf
0.0211 Tc 9.1 0 0 9.1 167.04 285.67 Tm
(Graphs )Tj
/T1_3 1 Tf
-0.035 Tc 5.8539 0 0 9.6 199.83 285.67 Tm
(\2003 )Tj
/T1_2 1 Tf
0.0179 Tc 9.1 0 0 9.1 210.69 285.67 Tm
(Digraphs, )Tj
/T1_0 1 Tf
0.05 Tc 9.5859 0 0 9.3 253.72 285.67 Tm
(Third )Tj
0.0354 Tc 9.3 0 0 9.3 281.47 285.67 Tm
(Edition, )Tj
0.0201 Tc 3.931 0 Td
(Wadsworth )Tj
0.0485 Tc -30.355 -1.045 Td
(and )Tj
0.0321 Tc 1.941 0 Td
(Brooks/Cole, )Tj
0.0119 Tc 6.077 0 Td
(Monterey, )Tj
0.0047 Tc 4.6 0 Td
(CA, )Tj
-0.0337 Tc 9.6 0 0 9.6 172.47 275.95 Tm
(1996. )Tj
-0.035 Tc 8.3161 0 0 9.3 22.48 259.75 Tm
([4] )Tj
0.0224 Tc 9.3 0 0 9.3 37.76 259.75 Tm
(R.C. )Tj
0.034 Tc 2.302 0 Td
(Entringer, )Tj
-0.0057 Tc 4.686 0 Td
(W. )Tj
0.0308 Tc 1.6 0 Td
(Goddard, )Tj
0.0292 Tc 4.374 0 Td
(and )Tj
0.016 Tc 1.883 0 Td
(M.A. )Tj
0.0244 Tc 2.516 0 Td
(Henning, )Tj
0 Tc 4.241 0 Td
(A )Tj
0.05 Tc 9.3535 0 0 9.3 248.39 259.75 Tm
(note )Tj
0.0462 Tc 9.3 0 0 9.3 268.83 259.75 Tm
(on )Tj
0.0125 Tc 1.394 0 Td
(cliques )Tj
0.0292 Tc 3.213 0 Td
(and )Tj
0.0227 Tc 1.82 0 Td
(indepen\255)Tj
0.0361 Tc -31.511 -1.026 Td
(dent )Tj
0.0096 Tc 2.26 0 Td
(sets. )Tj
-0.029 Tc 2.231 0 Td
(To )Tj
0.0388 Tc 1.489 0 Td
(appear )Tj
0.0133 Tc 3.253 0 Td
(in )Tj
/T1_1 1 Tf
-0.035 Tc 7.9959 0 0 8.6 132.77 250.21 Tm
(J. )Tj
/T1_2 1 Tf
0 Tc 9.1 0 0 9.1 144 250.21 Tm
(Graph )Tj
0.0129 Tc 3.104 0 Td
(Theory. )Tj
/T1_0 1 Tf
-0.035 Tc 8.3161 0 0 9.3 22.12 233.6499 Tm
([5] )Tj
-0.0318 Tc 9.3 0 0 9.3 37.4 233.6499 Tm
(H. )Tj
0.0179 Tc 1.408 0 Td
(Gavlas, )Tj
0.0031 Tc 3.586 0 Td
(M.A. )Tj
0.0133 Tc 2.574 0 Td
(Henning, )Tj
0.0389 Tc 4.214 0 Td
(and )Tj
-0.035 Tc 9.2186 0 0 9.3 165.02 233.6499 Tm
(M. )Tj
0.0223 Tc 9.3 0 0 9.3 179.29 233.6499 Tm
(Schultz, )Tj
0.039 Tc 3.822 0 Td
(On )Tj
0.0467 Tc 1.646 0 Td
(graphs )Tj
0.05 Tc 9.5174 0 0 9.3 261.44 233.6499 Tm
(and )Tj
9.3212 0 0 9.3 279.88 233.6499 Tm
(their )Tj
0.0054 Tc 9.3 0 0 9.3 302.3 233.6499 Tm
(frames. )Tj
/T1_2 1 Tf
0.0018 Tc 9.1 0 0 9.1 335.9 233.6499 Tm
(Vishwa )Tj
0.0421 Tc -33.005 -1.048 Td
(Internat. )Tj
/T1_1 1 Tf
-0.035 Tc 8.9651 0 0 9.2 74.98 224.11 Tm
(J. )Tj
/T1_2 1 Tf
0 Tc 9.1 0 0 9.1 86.76 224.11 Tm
(Graph )Tj
0.0259 Tc 3.104 0 Td
(Theory )Tj
/T1_0 1 Tf
0.006 Tc 9.6 0 0 9.6 145.11 224.11 Tm
(1\(2\) )Tj
-0.0078 Tc 2.104 0 Td
(\(1992\), )Tj
-0.0088 Tc 3.296 0 Td
(111-131. )Tj
-0.035 Tc 8.3161 0 0 9.3 21.94 207.7299 Tm
([6] )Tj
0.0137 Tc 9.3 0 0 9.3 37.23 207.7299 Tm
(W. )Tj
0.0363 Tc 1.677 0 Td
(Goddard, )Tj
-0.0034 Tc 4.496 0 Td
(M.A. )Tj
0.0185 Tc 2.535 0 Td
(Henning )Tj
0.0485 Tc 3.904 0 Td
(and )Tj
-0.035 Tc 9.1376 0 0 9.3 172.76 207.7299 Tm
(H. )Tj
0.0434 Tc 9.3 0 0 9.3 185.54 207.7299 Tm
(Maharaj, )Tj
0.0276 Tc 4.335 0 Td
(Homogeneous )Tj
0.027 Tc 6.463 0 Td
(Embeddings )Tj
0.039 Tc 5.589 0 Td
(of )Tj
-0.0226 Tc 1.199 0 Td
(Cy\255)Tj
-0.0139 Tc -33.773 -1.006 Td
(cles )Tj
0.0133 Tc 1.898 0 Td
(in )Tj
0.0281 Tc 1.218 0 Td
(Graphs. )Tj
0.0474 Tc 3.746 0 Td
(Submitted )Tj
-0.0216 Tc 4.808 0 Td
(for )Tj
0.0305 Tc 1.541 0 Td
(publication. )Tj
-0.035 Tc 8.1464 0 0 9.3 21.94 181.81 Tm
([7] )Tj
0.033 Tc 9.3 0 0 9.3 36.87 181.81 Tm
(W. )Tj
0.0418 Tc 1.774 0 Td
(Goddard, )Tj
0.0031 Tc 4.573 0 Td
(M.A. )Tj
0.0133 Tc 2.613 0 Td
(Henning, )Tj
0.0232 Tc 4.311 0 Td
(O.R. )Tj
0.0341 Tc 2.477 0 Td
(Oellermann, )Tj
0.05 Tc 9.6349 0 0 9.3 236.96 181.81 Tm
(and )Tj
0.0195 Tc 9.3 0 0 9.3 256.46 181.81 Tm
(H.C. )Tj
0.0326 Tc 2.463 0 Td
(Swart, )Tj
-0.0052 Tc 3.252 0 Td
(Some )Tj
/C0_0 1 Tf
0 Tc 3.9858 0 0 7.2001 334.45 181.81 Tm
<007E0065006E006500720061006C0020>Tj
/T1_0 1 Tf
0.0299 Tc 9.3 0 0 9.3 34.91 172.45 Tm
(results )Tj
0.0075 Tc 3.166 0 Td
(on )Tj
0.05 Tc 9.5625 0 0 9.3 77.2 172.45 Tm
(the )Tj
0.0245 Tc 9.3 0 0 9.3 92.78 172.45 Tm
(framing )Tj
0.0404 Tc 3.668 0 Td
(number )Tj
0.0003 Tc 3.572 0 Td
(of )Tj
0 Tc 1.123 0 Td
(a )Tj
0.0281 Tc 0.775 0 Td
(graph. )Tj
/T1_2 1 Tf
0.0397 Tc 9.1 0 0 9.1 207.6 172.45 Tm
(Quaestiones )Tj
0.0283 Tc 5.799 0 Td
(Math. )Tj
/T1_0 1 Tf
0.05 Tc 9.8057 0 0 9.6 287.12 172.45 Tm
(16\(3\) )Tj
-0.0235 Tc 9.6 0 0 9.6 314.35 172.45 Tm
(\(1993\), )Tj
-0.0109 Tc 3.211 0 Td
(289-)Tj
-0.035 Tc 9.5144 0 0 9.6 34.99 162.7299 Tm
(300. )Tj
8.3161 0 0 9.3 21.94 146.71 Tm
([8] )Tj
0.0137 Tc 9.3 0 0 9.3 37.05 146.71 Tm
(W. )Tj
0.0391 Tc 1.813 0 Td
(Goddard, )Tj
0.0031 Tc 4.631 0 Td
(M.A. )Tj
0.0161 Tc 2.671 0 Td
(Henning, )Tj
0.0232 Tc 4.369 0 Td
(O.R. )Tj
0.036 Tc 2.516 0 Td
(Oellermann, )Tj
0.05 Tc 9.6349 0 0 9.3 240.2 146.71 Tm
(and )Tj
0.026 Tc 9.3 0 0 9.3 260.24 146.71 Tm
(H.C. )Tj
0.0249 Tc 2.522 0 Td
(Swart, )Tj
0.0182 Tc 3.286 0 Td
(Which )Tj
0.0132 Tc 3.253 0 Td
(trees )Tj
0.0251 Tc -33.259 -1.026 Td
(are )Tj
0.0314 Tc 1.771 0 Td
(uniquely )Tj
0.0304 Tc 4.17 0 Td
(framed )Tj
0.0161 Tc 3.476 0 Td
(by )Tj
0.05 Tc 9.5625 0 0 9.3 136.42 137.17 Tm
(the )Tj
0.0119 Tc 9.3 0 0 9.3 153.5 137.17 Tm
(Heawood )Tj
0.0281 Tc 4.428 0 Td
(graph. )Tj
/T1_2 1 Tf
0.0397 Tc 9.1 0 0 9.1 225.78 137.17 Tm
(Quaestiones )Tj
0.0233 Tc 5.918 0 Td
(Math. )Tj
/T1_0 1 Tf
0.05 Tc 9.6488 0 0 9.6 307.47 137.17 Tm
(16\(3\) )Tj
-0.0266 Tc 9.6 0 0 9.6 335.59 137.17 Tm
(\(1993\), )Tj
-0.0083 Tc -31.289 -1.012 Td
(237-251. )Tj
-0.035 Tc 8.3161 0 0 9.3 22.12 111.25 Tm
([9] )Tj
0.0095 Tc 9.3 0 0 9.3 37.22 111.25 Tm
(M.A. )Tj
0.0244 Tc 2.516 0 Td
(Henning, )Tj
0.039 Tc 4.195 0 Td
(On )Tj
0.0102 Tc 1.567 0 Td
(edge )Tj
0.006 Tc 2.208 0 Td
(cliques )Tj
0.0485 Tc 3.155 0 Td
(and )Tj
0.0166 Tc 1.876 0 Td
(edge )Tj
0.0494 Tc 2.209 0 Td
(independent )Tj
0.0193 Tc 5.724 0 Td
(sets. )Tj
/T1_2 1 Tf
0.0208 Tc 9.1 0 0 9.1 276.01 111.25 Tm
(Bull. )Tj
0.0246 Tc 2.495 0 Td
(Inst. )Tj
0.05 Tc 9.8154 0 0 9.1 319.96 111.25 Tm
(of )Tj
0.005 Tc 9.1 0 0 9.1 330.3 111.25 Tm
(Gombin. )Tj
0.0158 Tc -32.385 -1.088 Td
(Appl. )Tj
/T1_0 1 Tf
0.05 Tc 9.7487 0 0 9.6 59.96 101.35 Tm
(18 )Tj
-0.0172 Tc 9.6 0 0 9.6 74.05 101.35 Tm
(\(1996\), )Tj
-0.0092 Tc 3.245 0 Td
(75-81. )Tj
-0.035 Tc 8.967 0 0 9.6 22.1 85.3199 Tm
([10] )Tj
-0.0318 Tc 9.3 0 0 9.3 41.9 85.3199 Tm
(H. )Tj
0.0489 Tc 1.355 0 Td
(Maharaj, )Tj
0.0167 Tc 4.334 0 Td
(Edge )Tj
0.0139 Tc 2.414 0 Td
(frames )Tj
0.0003 Tc 3.156 0 Td
(of )Tj
0.0186 Tc 1.104 0 Td
(graphs: )Tj
0 Tc 3.626 0 Td
(A )Tj
0.0492 Tc 1 0 Td
(graph )Tj
0.0499 Tc 2.824 0 Td
(embedding )Tj
0.0263 Tc 5.16 0 Td
(problem. )Tj
-0.035 Tc 9.0124 0 0 9.3 312.76 85.3199 Tm
(To )Tj
0.0466 Tc 9.3 0 0 9.3 325.53 85.3199 Tm
(appear )Tj
-0.006 Tc 3.253 0 Td
(in )Tj
/T1_2 1 Tf
0.0277 Tc 9.1 0 0 9.1 35.55 75.4299 Tm
(Discrete )Tj
0.0283 Tc 4.035 0 Td
(Math. )Tj
0.05 Tc 9.8137 0 0 9.3 149.56 46.99 Tm
(\(Received )Tj
10.1841 0 0 9.3 198.9 46.99 Tm
(13/9/96\) )Tj
/T1_0 1 Tf
-0.035 Tc 9.0568 0 0 9.6 186.43 22.14 Tm
(270 )Tj
ET
endstream
endobj
257 0 obj
<>/Filter/CCITTFaxDecode/Height 1872/Length 36554/Name/Im0/Subtype/Image/Type/XObject/Width 2240>>stream
*D *#:@U"#@U"#:ڂ0R":R"# *$u
Du
Du
EF@T BcH#H# *DDGQDGQDGQDGQP%!@T Bc *G *G *G *G *Գ\b,q٤vbwzna$)w/ z_¼qA^Wz*2XDum
kQJ-Z/Iv֒WUTt\՜|J~aCBItFު24Du#8D~k###;RS\lJc:D`BbC3>)N͊|[020CPcɈa#w#t""##)PD"ꨙuahC@jaa3PA2)tDtlS&hah4ϊiLv
7aD
0i)"lr"hh#_0@a2D`R@B$;'w
T^Q;q>mDM Dq#f4a40EqA
hn!6 ѸhheHpDula>͛) 2:22Duxt$+lrcu!+IQ(v8a
AWAjAh mƂkD4 Eb|hDhBmAOlu LBn & @ZN.чrn8#b5FG|h!
bCv(]Z`&kO Imf&!77a=XIտujNMBmI
l"p6S}ƕ1amiRwotDtVlSZN^ҽ/kH6,q0)
tLVE"?O#h+]uizK[տI@JսE-OB8HoOqQvI[WGn~KZ[M_m{}rce
^!*A-%KW[mQ
=_Cxk~[樎BhEGZ
Z5㋥#tGAWUGr}#ZUOZ#uGCEBF>Zq97GUOɄ칕k# yq?h"Q|"x勓ޤ'߭&c=mi}V":>3#EqPD2_kzM~"-;w_~k"8U#C%7Unݿ[I{Cuik/vq~WzǤ#XӼl/ޖӽ]=$]u~߫zUryj}wW^뤁m[][i{nk}+Ս^۫ TKWP7minl4.ǶZi6+4JAN[J_ֿ3#>G҆OnACWX28MI6m&i+M 0l0V
vfY\.##vmt:]m&IRM.`B"-'0,C^
A0qdt.+uuA]V]dc#b"b;bam}HöaxzII I)R0EC(!# 6ױ*#NeK 1^&!6'6!@ؠ@ͅBBbBLBo3OCv0XjLM`9p e`Ǭ4n DDDDDDZha)>\;8_3g"*fH0A8SXP4a6CUk cŜphHڡD(p8a:fLRņ"3`PbL"e
ݑV=1A.DDDErG1L$i "Ȉ""""""DЃ(rqDG(~
V'FDDEeaIqDE a""(DGʃeaDG0/I&$G_RE#IkA[*[I.P!.XZڶ>6Dqtul.[5 1VA";6 1C"rmD B8">$ue9NDDb"M($ub]A(PHe4*g:+:)",dZta:#}#^C-ę#pvi)M2.h20j`-
IDZˑ*V9n̔IR#Q"e
'𣲰G$,kj#1U,)iʱO4̒\DTl
-TubBt\82>G[rEL"c;JW^D|$&P#cKĎw[,zM.{-ڈڌ?!:A7Mxh];aV#":K&:X":w-V=+m륡pD5>$uZսo_?+{I/E'p`}BUhu7I}G^G]w0cJRHzJdDb"`vG nfEњ^u0QP&km䈏2#<#$ay̏tkgB eL iP&t:J 9dCH-+̅]EtD"T5 H8838CA0;a3B&;뇶d"еh;3BF#TqD=$"<vqXSAjy-q:}N#ƒB3A !C60>4aNqhѱhGhav:CCzZܡZ7%tBB8AiiYMN'#|]1E B4K
r\<#Sp. a0)!nH;`:7_A6d4D4lh Ň Wh̓I:صZ
`@EPclG#M-1h ~ū]Ⱃtl5D&Љ_P´n)ޒT+jLU>Єސ6(Ař%:$J!D+Pzp}*7T_Mu_[VoA_' T҆I?MotIz">߸v{]U#r(PnzƟo}XwMSۻߍ}%m[|u\_UJ/-z~-oGJdtG
֝U*nn%K_R{iפv;_}kDw+B^Gy-]Y
:M#Wq [;2KS~}ޣm_ҥs??_U_^u|v~Q{
$u*ѴGG0Z-uZu_%kҶ?[/vU^}~iu_Ii|DDG/꒤Kn{}%:lZU=otGwOv[n^JAU؍6 WDAa+UZ^¯"iMI6(p *]
DtմjJ}4D
%9BT#W@vGMHCLݨ"`v]6cˠE%sXX"]B1@tVJUMZ#
VPjy)!&%W!8CBv"AuQ@!lBBe)1Vkg8":g-
;H%8Dp¡MTVJgQ"^aHb""X:СNr83R(r X
2L)!6DDDD0N#QaHHBBvҴw8,pv(YNC.Z!&[XPU ACJ%j 2Y@O(uDy 1B=F0Lvciy gHٴC"M&`C dusGA#EÚ FcC&P,r0C
xD"_!qXlf7VG@l$~VA2<`LPm[#@D()C9cs1A9 s8&PqAtR)ӲI$SJFX*#10B"ʼnN9
2:u
GXA
B5
0^ԌLD/RDЈ1 P"ʂCCa0i
b""#U`%G?\}+kKDC&PPʕo/`~SKU[UUI$IK~^%GkvW."SuQZ>"ir/^%EGDt_#$B_""-WՍ$=hBu ,,X $!#t*9ޖ"48SLr(s"#r,rcsx1,Si^"""7W6B"""0n$:O2IA
agʋ
-ODDJDum!M)1HGQH躈:2+ȑ Vc2,I;&3D7ѝ- BEl2ܶA a$%M qjMaݣwru T-uDG^$fDm
I`nX$UKZtje %:IU]Џ]WV^Y*E(kJIE:#H::":#DF"Z/&݈A m$6NAPCE4343AP`4/Jf^p\Oa{(D4[L"vDcBwUe`6)kh" ABm 3eyv|@~R#4y#XAZ 2cպŅj64-8դqJ-W`38*7ot, ҸN R~RkUza]mk [O[^oC9C9CG_O[ƺ-u%DDDDDvKw uoHiWwgb YDtadLYo+orUUR}!鰛]'v%*ÿVbùb5VIQko* NeA>A)&$ZB5IX;J.Z^W֒VD
۰ꚷ">/ӥ"##;#96z ]Oq$A/I2莋HM'uTQV;8Cjҷ_H$(!Vڦ a;PYVW4ZiIzG.:#:##:#G###tN9#A8AʂsS9C9CV9NWy
ℊq;|cDDDDDDDDb"1ɎqER q:C9N!90vMt$8 BBlcc8L)L8 Ba@ 6"Xb%LqA8"qI".q(yK P@Q@ D
01,q6Y^%NctɎ"؈:$Cbgn"a,TFMXB(`HA:0#l$x
tA8"lfAaU#`m(P6o[ub:m/mm'&`%e :pK&aĎ;Y7uibG[ca0ɻ0ID;VXAmX?
MjX鴱]Mi0WMp۵QaXmwM7uil:v cMmkK:
N=L4l?t$u`tK>Ga8B/vvP`&9XUZY7u
P(4/n97u9!l$>(wmqۆF8rnV%rcM:CM%6ɻ ?a,$9{Zn$(C"#Aqġ{
%&D_nXcpa݈,ZmwZc0ݴKBP`!@l$:؈M80}Rn
N%lCi( C70ɻ:m,Gn}7tG_=],GaCK&6=uNm}t`xaidvzA#0{Y7u}?MZi8l0}Rn莻i80_AMl}(omm%uVǶ}6Mo
v:vY7tG^ۇl nVMӏp[i)7[3菝莒p;t"B!
%GVG`@M1%%vMQ1+`dqD;(xYCp@#aņrHJaZ#!0e X,;
qP BЉC9h FGPA0㻈L>8A1N9CE@ABq:GġƄ8 BDÄw7&arG!1#D(r;9!:G$uX"48 BP!$8#y]FaGq 9CpD|H Dj#BB I c8B"""C8
BD)
$99P 1ȣܛr9{1"$EDıDDDDDDA CHFHAħpN;#.G">GD|))#r9̎쏗#GBqɎ?䇲Acq(t""""""",DDDD&!!G!&9!#b2Cw 1ȃ$c#@Dw#Cp@qCs"P!0$LEDDrH"?AqPBa"8D~DoäXq %DGA9!cHJ(8tqA CqD~rc:P!@g
&rN91@DWO"!:q#\؈J>cr(r@dqa9Cp@(m888Ǡ8B# 2ClDX!X CrL( ؈H@J6)!J4LV$
90#)t
N#bBHAA1Cg`II0J!AePA"7*!#1y7u8Dt=9CwH/#
.ړxEH%#o&i0G ^%<.U A! Q UaJAx.7{^ VM|wAmĎ^
Gx AoJtA@$nMm x CGxAB" pAoBzA&T] GAjJC$ ;'Q#a@#-8 B"GU!@;Rn莶!(q+&
zK9CG
9.rc1A`nMoX:AKD ıL8?KSő0!- Ba8bBHv8GX#7I5Ct9C8Ք%D÷N"a C9&=t"?È""BPwAJ㑎q>F8K7""Lr1xDu!"XwHiEk$8rɎqvM~$("?HAj"Bm)8D!qdtG2,s)TG0'؉1:!Y7u"'RI"'z({[C5"pEZɎqD~d}(&@,r$8AXY)xA1+dqA&%1:0A®roX n!^G]P]4A7|%_ KI+ Ro
{m W7e Z kzI=Mkw+Je
_;HV jAԛ0vtA>\^ߕU_wCJ}(rB!EZt# m}%֨ P^A |^#Y7{xV kw_ `(r`D0DQ0 PDCq0B0CHsB"(!8"1 ȎAN&j@,q(qhGhEc6P#Ë$%9Ǒ Y#$9!8&%0a("8R9!R0!DTLq(sƉD$$&GI#qqDmyCp@N8\9C".",^KDN9܌|GDD!&991DrchA"qB#"qՓbU`s*XPQHG0$i]DZ,s"0!qL9c!#R>G莈" 菑#GaCr(Ɏq9ܡ9CS
@AvMV'⋢94̎
Dq5HxfCAb"@WD81u&;#C""""@5EYC*PA@APTPS:a0APLsr#qlJ$Q9C\sq9r1QS9"1Ô:98DDDYdpPjDb#:.8#DtGGG)bXW\ q aIAq"""""""""1(qcq"1 F88R>>E8>B%ăE$&=1GD!8H9FġD&!a'q!(t"878!$p@ &9(pDtɎXGL6pDrF$Pcn"";##8B"(1dy$Q:&JɎPɸı#d8&Hr(qCb""GLBb)S1AAA%Ad00DDLpDb%6&1#
(
":
RHe,;
":6
,Ȏ4nGDW2A"P+GGG28!83