Virtual Diagram

The "Virtual Diagram" is a concept drawn from DeLanda's assemblage theory — specifically his notion of the "diagram" as the matrix of all possible variations of an assemblage-object, its virtual echo — but radicalized and amended in a Lacanian-Žižekian direction. In DeLanda's original formulation, any actual object is understood as one actualization among a field of virtual potentials; the diagram is thus the full topology of what an object could be. The Žižekian move is to insist that this account is insufficient on its own: it is not enough to distinguish merely between actualized and non-actualized (but still possible) variations. One must further distinguish, within the non-actualized, between potentials that are contingently unrealized (they could have been actualized under different circumstances) and potentials that are essentially, structurally impossible — that is, excluded not by accident but by the very logic of the structure itself. This second category is identified with the impossible-Real: not an empirical failure or a historical contingency, but the constitutive negativity that defines what a structure is. The Virtual Diagram, properly amended, therefore includes this impossible kernel as an intrinsic, defining dimension rather than a mere external limit.

This amendment carries direct political consequences. Applied to capitalism, it means that its particular malfunctions and breakdowns are not accidental symptoms that could in principle be corrected by reform while leaving the structure intact; rather, they are structurally necessary expressions of capitalism's own impossible-Real. The Virtual Diagram, so conceived, becomes a tool for distinguishing immanent structural impossibility (the antagonism that cannot be resolved within the system) from contingent failures (which are reformable). In this sense it dovetails with the Lacanian thesis that the Real is not what lies beyond the Symbolic but what the Symbolic order itself generates as its own internal impossibility — the crack that topology cannot smooth over.

The Virtual Diagram appears in two closely related texts by Žižek — slavoj-zizek-frank-ruda-agon-hamza-reading-marx-polity-pres-2018 and slavoj-zizek-sex-and-the-failed-absolute-bloomsbury-academic-2019 — where it functions as a critical intervention into assemblage theory (DeLanda) from a Lacanian-ontological standpoint. Its relation to the cross-referenced canonical concepts is precise. With respect to the Real, the Virtual Diagram's amendment is essentially a re-inscription of the Lacanian Real — understood as "what does not cease not to be written," or structural impossibility — into the ontology of objects: the impossible-Real is not external to the diagram but must be included within it as its negative core. With respect to Antagonism and Universality, the political application of the concept mirrors Žižek's claim that universality is constituted by constitutive contradiction: capitalism's universality is held together by an internal antagonism that cannot be resolved immanently, not by contingent malfunctions. The concept also intersects with Topology insofar as the diagram is a quasi-topological figure — a virtual structure of relations and variations — and with Symptom, since the structural malfunctions of capitalism are recast not as symptoms to be reformed but as necessary expressions of an impossible-Real at the heart of the system. The Virtual Diagram thus functions as an extension and specification of the Lacanian Real into the domain of assemblage ontology, sharpening the distinction between contingent non-actualization and essential structural impossibility.

Reading MarxSlavoj Žižek, Frank Ruda & Agon Hamza · 2018 (p.34)

DeLanda's concept of 'diagram' (the matrix of all possible variations of an assemblage object, its virtual echo) should thus be crucially amended: it is not enough to say that some variations are actualized while others remain a possibility

The phrase "crucially amended" signals that the Virtual Diagram is not a rejection of DeLanda but a Lacanian supplementation: the matrix of "all possible variations" is revealed to be incomplete without the category of the essentially impossible, and the word "crucially" marks that this addition is not minor but structurally determinative — it is precisely the impossible-Real that gives the diagram its defining negative identity.