Is Accel World Set in the Same Universe as Sword Art Online?

Bearing similar narratives and parallel worldbuilding, there are several speculations as to whether these two series are set in the same universe.

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The Day Sword Art Online Became Real –

Accel World VS Sword Art Online Game Adds Anime Film's Yuna - News - Anime News Network

Accel World vs Sword Art Online - Black King and the Black Swordsman [Part 1/PS4/English]

Accel World, Vol. 1: Kuroyukihime's Return by Kawahara, Reki

Accel World VS. Sword Art Online – Review

Accel World Review

Accel World vs Sword Art Online - Black King and the Black Swordsman [Part 1/PS4/English]

Accel World VS Sword Art Online: SAO Ordinal Scale Pack (2017) - MobyGames

Accel World's Kuroyukihime joins Sword Art Online: Lost Song - Gematsu

Review – Accel World vs Sword Art Online Millenium Twilight

PS4/Vita Anime Crossover Accel World vs. Sword Art Online Revealed For The West - GameSpot

Sword Art Online in 2022 - The Year Where It All Began - Anime Corner