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"Mathematics of Boosting Agentic Communication (MATHBAC)" is currently closed and not accepting applications.
Mathematics of Boosting Agentic Communication (MATHBAC) is sponsored by DARPA Defense Sciences Office (DSO). Focuses on treating multi-agent AI communication as a mathematical object rather than a product feature, with the goal of rebuilding agentic AI on mathematical foundations.
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DARPA – Mathematics of Boosting Agentic Communication (MATHBAC) – DARPA-PA-26-05 DARPA – Mathematics of Boosting Agentic Communication (MATHBAC) – DARPA-PA-26-05 DARPA’s Defense Sciences Office is seeking innovative research proposals that advance the foundational mathematics, systems theory, and information theory required to enable/accelerate and understand science-discovery by autonomous agents and agent collectives.
Up to USD$2M is available over 16 months for Phase 1 projects. MATHBAC will develop the science of AI communication, leveraging/deriving mathematical theory, systems theory, and information theory to govern how AI agents collaborate and share information, as well as how they disentangle complex data streams to extract generalizable principles.
MATHBAC enables agentic platforms to not only solve complex problems but also to understand the fundamentals behind their own functioning and solutions. MATHBAC will understand/design/improve the communication protocols of interacting agents, discover new efficient protocols, and develop agentic coordination mechanisms (such as the distilling of shareable, generalizable principles from data).
This will enable individual agents and agent collectives to effectively and efficiently address an array of tasks, from science-discovery to problem solving and instruction. It aspires to lower/remove barriers to understanding and help tackle challenges across domains ranging from the physical and mathematical sciences to military strategy, drastically accelerating and potentially reinventing their “ways of doing.
” MATHBAC will be a 34-month, two-phased program. Two technical areas will run concurrently in Phase 1 (16 months) and become combined in Phase 2 (18 months). Proposers should provide a fully-defined proposal for Phase 1 and a draft Statement of Work and Rough order of Magnitude cost for Phase 2.
Proposals must address a single Technical Area in Phase 1 and describe how the results of both Technical Areas will address the agentic evolution towards new science in Phase 2. Technical Area 1 – Mathematics of Agentic Communication Protocols – methods to understand/design/improve the communication protocols of interacting agents in agent platforms.
The protocols will include how many and what type of agents are needed on the team and which agents “talk to” which agents at each stage of the science-discovery campaign. Goal is to establish a quantitative mathematical framework for designing, optimizing, and establishing guarantees for the performance of communication protocols within a collective of fixed pretrained AI agents, moving beyond current ad-hoc methods.
Technical Area 2 – Geometry and Evolution of Shared Knowledge – Generalizable Principles from Data – methods to monitor and usefully analyze multiple data streams (eg experimental data streams or streams recording the content of agentic communication), quantify its efficiency, discover new generalizable principles and abstractions, and use inductive and/or abductive reasoning in science-discovery.
Goal is to create a mathematical foundation based on disentanglement for discovering and incrementally sharing new, abstract, generalizable principles, laws, and correlations at meaningful spatiotemporal scales (in contrast to principles discovered through wisdom/serendipity). Abstracts, strongly encouraged but not mandatory, are due 30 April 2026 . Full proposals are due 16 June 2026 .
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According to the current listing, eligibility includes: Universities, research organizations, and small businesses. Confirm the full requirements in the official notice before applying.
The current listing shows up to $2,000,000 over 24 months (Phase I cap). Verify award ceilings, matching requirements, and allowable costs in the official notice.
The published deadline was June 16, 2026, which has passed. Check the official notice for any future application windows before investing time in a proposal.
Mathematics of Boosting Agentic Communication (MATHBAC) is funded by DARPA Defense Sciences Office (DSO). Verify program details on the funder's official page before applying.
Yes — this listing is flagged as national in scope, so applicants across the U.S. may apply, subject to the sponsor's other eligibility criteria.
Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.
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