Research on Extreme Signed Graphs with Minimal Energy in Tricyclic Signed Graphs <i>S</i>(<i>n</i>, <i>n</i> + 2)

<div>The four representatives of switching classes in tricyclic signed graphs <span class="nowrap"><svg height="13.2736pt" id="M153" style="vertical-align:-4.350619pt" version="1.1" viewbox="-0.0498162 -8.92298 31.8403 13.2736" width="31.8403pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M397 143C384 252 309 299 234 299C151 299 67 242 67 142C67 29 167 -15 264 -15C419 -15 547 68 547 204C547 336 385 381 385 491C385 582 483 644 560 644C613 644 668 624 668 563C668 499 620 463 559 456V435C627 435 701 491 701 564C701 648 628 680 561 680C454 680 308 615 308 472C308 340 465 297 465 191C465 75 365 15 272 15C192 15 129 67 129 137C129 212 192 256 241 256C296 256 345 244 377 139L397 143Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.659,3.132)"><path d="M504 89L488 119C453 85 428 69 416 69C408 69 405 75 412 102L462 304C492 438 460 451 436 451S388 441 356 423C311 397 229 336 170 256H168L189 340C208 418 200 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Complexity

fig1

Figure 1

Figure 1: Research on Extreme Signed Graphs with Minimal Energy in Tricyclic Signed Graphs <i>S</i>(<i>n</i>, <i>n</i> + 2) 

Complexity

Research on Extreme Signed Graphs with Minimal Energy in Tricyclic Signed Graphs S(n, n + 2)

Figure 1