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.

ACCEL WORLD VS. SWORD ART ONLINE

Sword Art Online and Accel World - Linked ?

25 Anime Like Accel World

Sword Art Online Ends – FunBlog

The Day Sword Art Online Became Real –

Accel World, Vol. 18 (light novel) eBook by Reki Kawahara - EPUB Book

Accel World vs Sword Art Online Bursts onto PS4 and PS Vita

Complete Guide Book.

Accel World vs Sword Art Online Millennium Twilight Complete Guide Book

Accel World VS Sword Art Online: Millennium Twilight, Accel World Wiki

Sword Art Online and Accel World - Linked ?