Complex sentence: In this respect, the triptych can be read as the artist retreating into the almost academic finness he once raged aqainst can be decected here; either way the technique evokes the background details of his seminal early 70s Black Triptych series.
Split into simpler sentences: In this respect, the triptych can be read as the artist retreating into the almost academic finesse against which he once raged. The technique also evokes the background details of his seminal early 70s Black Triptych series.