~/talks

Joseph Tassarotti

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titleconferencedate
Modular Verification of Differential Privacy in Probabilistic Higher-Order Separation(…)PLDI 20262026-06-15
Claims a program logic that encodes privacy budget as resource inside a probabilistic higher-order separation logic, proves an adequacy theorem linking the…
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Contextual Refinement of Higher-Order Concurrent Probabilistic ProgramsPLDI 20262026-06-15
Claims a new logic, Foxtrot, that proves contextual refinement for higher-order concurrent probabilistic programs and handles higher-order local state…
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Probabilistic Concurrent Reasoning in Outcome Logic: Independence, Conditioning, and(…)POPL 20262026-01-11
Introduces Probabilistic Concurrent Outcome Logic (pcOL) that composes concurrent separation logic, probabilistic separation logic, and Outcome Logic to prove…
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All for One and One for All: Program Logics for Exploiting Internal Determinism in(…)POPL 20262026-01-11
Defines schedule-independent safety: showing one terminating execution is safe suffices to guarantee safety for all schedules. Introduces separation logic…
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Modular Reasoning about Error Bounds for Concurrent Probabilistic ProgramsICFP 20252025-10-12
Presents Coneris, the first higher-order concurrent separation logic that proves numeric error bounds for concurrent probabilistic programs and mechanizes all…
Talk
Verified Foundations for Differential PrivacyPLDI 20252025-06-16
SampCert is a mechanized foundation for differential privacy written in Lean that proves correctness of sampling and DP composition and ships verified samplers…
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Approximate Relational Reasoning for Higher-Order Probabilistic ProgramsPOPL 20252025-01-19
Describes Approxis, a higher-order separation logic that treats error credits as first-class resources to prove approximate program refinements for an ML-like…
Talk
A Demonic Outcome Logic for Randomized NondeterminismPOPL 20252025-01-19
Introduces Demonic Outcome Logic that models randomized programs with adversarial nondeterminism using the convex power set semantics, proving a distributive…
Talk
Tachis: Higher-Order Separation Logic with Credits for Expected CostsOOPSLA 20242024-10-20
Tachis introduces probabilistic cost credits, a separation logic resource that preserves expectation across random branches and lets proofs allocate credits…
Talk
Day openingDafny 20242024-01-14
This session delivers logistics and a roadmap not technical results: 18 talks across five sessions, running 9:00–6:00 with 15+3 minute slots, plus Q&A and…
Talk
Asynchronous Probabilistic Couplings in Higher-Order Separation LogicPOPL 20242024-01-14
Provides a new higher-order relational separation logic called Clutch that proves contextual refinement for a language with impredicative polymorphism…
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Day closingDafny 20242024-01-14
Day closing gives practical logistics and requests: organizers ask for written feedback for future conferences and topics, note a planned meetup at 6:45 at the…
Talk
Verifying vMVCC, a high-performance transaction library using multi-version concurrency..OSDI 20232023-07-10
vMVCC claims to be the first MVCC transaction library with a machine-checked proof and ships as about 800 lines of Go (open source). It implements in-memory…
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Leakage models are a leaky abstraction (...)PLARCH 20232023-06-17
They verify timing by symbolically executing gate‑level RTL instead of assuming leakage models, translating circuits to Rosette and running a symbolic RTL…
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Verified Density Compilation for a Probabilistic Programming LanguagePLDI 20232023-06-17
Provides a mechanized semantics for a Stan subset and verifies three density-compilation passes in Coq, producing ProbCompCert that connects to CompCert down…
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Later Credits: Resourceful Reasoning for the Later ModalityICFP 20222022-09-11
Introduces later credits as an ownable resource in Iris that splits stepping into a credit-generation rule and a credit-spending rule, letting proofs prepay…
Talk
A Separation Logic for Negative DependencePOPL 20222022-01-16
Design of LINA, a probabilistic separation logic that adds a second separating conjunction for negative dependence alongside the independence star, with…
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GoJournal: a verified, concurrent, crash-safe journaling system15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21)2021-07-14
GoJournal implements a verified, concurrent, crash-safe journaling API in Go and proves it in Coq with Perennial 2.0, using the Goose translator to model Go…
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