Characterization of 2-Path Signed Network

<div>(a) Given signed network <span class="nowrap"><svg height="8.68572pt" id="M516" style="vertical-align:-0.0498209pt" version="1.1" viewbox="-0.0498162 -8.6359 7.90278 8.68572" width="7.90278pt" 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="M570 168L541 175C510 88 481 71 415 71H135L378 358L167 614H348C422 614 447 608 463 588C478 571 488 546 500 500L529 504C524 559 519 633 518 650H47V628L295 324L33 23V0H531L570 168Z"></path></g></svg>.</span> (b) Its 2-path signed network.</div>

Complexity

Characterization of 2-Path Signed Network

Figure 4