Key Facts
- ✓ The L∃AN together 2026 summit will run for three full days from January 24-26, 2026, offering extensive programming for attendees.
- ✓ This marks the second major virtual gathering organized by the leanprover-community, building on previous successful events in the series.
- ✓ The conference specifically targets the global Lean proof assistant community, including researchers, developers, mathematicians, and industry professionals.
- ✓ Virtual attendance eliminates travel costs and visa barriers, making the summit accessible to participants from developing nations and underrepresented regions.
- ✓ The event structure balances formal presentations with interactive workshops, ensuring both knowledge transfer and hands-on skill development.
Global Summit Arrives
The formal verification community is preparing for its most significant virtual gathering of the year as L∃AN together 2026 prepares to welcome participants from around the world. This three-day online event represents a cornerstone moment for the Lean proof assistant ecosystem.
Scheduled to commence on January 24, 2026, the summit promises to deliver an immersive experience designed specifically for researchers, developers, mathematicians, and industry professionals working with formal verification tools. The conference bridges geographical boundaries, making cutting-edge research and collaborative opportunities accessible to a global audience.
The virtual format ensures that even those unable to travel can participate in this landmark event. With the Lean proof assistant gaining traction across academia and industry, this summit arrives at a pivotal moment for the community.
Event Structure & Format
The three-day program has been carefully designed to maximize engagement and learning opportunities for all attendees. Running from January 24 through January 26, the summit will feature a diverse mix of presentation formats.
Participants can expect a rich schedule including:
- Technical presentations showcasing latest research
- Interactive workshops for hands-on learning
- Community discussions on tool development
- Networking sessions for professional connections
The virtual platform has been optimized to facilitate meaningful interactions despite the remote nature of the event. Attendees will have opportunities to engage directly with presenters, ask questions, and participate in collaborative problem-solving sessions.
The leanprover-community has orchestrated this event to serve as both an educational resource and a catalyst for future innovations within the Lean ecosystem.
Community & Collaboration
The Lean community has experienced remarkable growth in recent years, with the leanprover-community serving as the central hub for development and collaboration. This summit represents more than just a conference—it's a celebration of collective achievement and a launchpad for future initiatives.
Key themes to be explored include:
- Advancements in automated theorem proving
- Integration with programming languages and tools
- Real-world applications in mathematics and computer science
- Best practices for formal verification projects
The event provides a unique platform for cross-pollination of ideas between different sectors of the community. Academic researchers can share theoretical breakthroughs while industry practitioners demonstrate practical implementations.
This collaborative environment fosters innovation and helps establish Lean as a leading tool in the formal verification landscape.
Accessibility & Inclusion
The virtual format removes traditional barriers to conference attendance, making this summit uniquely accessible to a diverse global audience. Participants from different time zones and economic backgrounds can all join on equal footing.
Accessibility features include:
- Flexible scheduling across multiple time zones
- Recorded sessions available for asynchronous viewing
- Low-cost or free registration options
- Minimal technical requirements for participation
The open-source ethos that drives the Lean project extends naturally to this event's structure. By removing financial and logistical obstacles, the organizers ensure that the best ideas can emerge from anywhere in the world.
This inclusive approach aligns perfectly with the community's mission to democratize access to formal verification tools and knowledge.
Looking to the Future
The 2026 summit arrives at a critical juncture for formal verification technology. As computational systems become increasingly complex, the need for rigorous mathematical proof of correctness has never been more urgent.
The Lean proof assistant stands at the forefront of this movement, offering a powerful combination of:
- Expressive logic for complex mathematical statements
- Computational efficiency for practical verification
- Active community support and development
- Integration with modern programming workflows
This conference will help chart the course for Lean's continued evolution and adoption across new domains. The connections forged and knowledge shared during these three days will influence the direction of formal verification research and practice for years to come.
As the event approaches, the community eagerly anticipates the innovations and collaborations that will emerge from this global gathering.
