On Edge <i>H</i>-Irregularity Strength of Hexagonal and Octagonal Grid Graphs

<div>Labeling and weights of octagonal grid graph <span class="nowrap"><svg height="15.3797pt" id="M171" style="vertical-align:-3.9436pt" version="1.1" viewbox="-0.0498162 -11.4361 14.0758 15.3797" width="14.0758pt" 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="M663 549C663 621 608 680 521 680C283 680 82 444 82 188C82 80 142 -15 258 -15C466 -15 637 203 637 396C637 502 561 542 497 542C414 542 336 469 336 362C336 331 339 284 371 232L393 242C369 289 366 322 366 347C366 448 430 506 494 506C539 506 586 470 586 396C586 266 508 157 469 118C409 57 343 15 256 15C179 15 142 78 142 150C142 331 347 645 517 645C590 645 624 603 643 547L663 549Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.996,-5.741)"><path d="M158 548H390L417 615L410 623H122L83 318C105 326 143 337 185 337C296 337 350 275 350 188C350 116 308 42 225 42C164 42 122 74 100 93C90 101 82 99 72 92C60 82 51 68 50 59C48 46 52 38 66 24C82 9 125 -12 172 -12C225 -11 292 15 346 59C408 108 437 166 437 226C437 309 371 397 242 397C214 397 170 382 133 369L158 548Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.996,3.784)"><path d="M158 548H390L417 615L410 623H122L83 318C105 326 143 337 185 337C296 337 350 275 350 188C350 116 308 42 225 42C164 42 122 74 100 93C90 101 82 99 72 92C60 82 51 68 50 59C48 46 52 38 66 24C82 9 125 -12 172 -12C225 -11 292 15 346 59C408 108 437 166 437 226C437 309 371 397 242 397C214 397 170 382 133 369L158 548Z"></path></g></svg>.</span></div>

Journal of Mathematics

fig4

Figure 4

Figure 4: On Edge <i>H</i>-Irregularity Strength of Hexagonal and Octagonal Grid Graphs 

Journal of Mathematics

On Edge H-Irregularity Strength of Hexagonal and Octagonal Grid Graphs

Figure 4