Tesis doctoral
2026
Huerta Lopez, Silvia
The perception of odors is critical for driving physiologically relevant behaviors. The olfactory system enables mice to interpret their chemosensory environment and elicit dynamic behavioral responses that restore homeostasis, enable reproduction, and ensure survival1–4. Many odors derive meaning and behavioral releva...
Olfaction
Biology
Thirst
Internal State
Tesis doctoral
2026
Shah, Neil Hemang
Random constraint satisfaction problems undergo a sequence of geometric phase transitions well before satisfiability is lost, and these transitions are believed to underlie the failure of efficient algorithms. This thesis studies that connection for the stronger task of sampling satisfying assignments uniformly at rand...
computer and information sciences
natural sciences
Computer science
Mathematics
Tesis doctoral
2026
Reynolds, Kristopher Glen
Dissertation Advisor: Professor Daniel G. Nocera Kristopher Glen Reynolds Time-Resolved Spectroscopic Detection of High Energy Intermediates in Energy Conversion and Photoredox Reactions Abstract All reactions of interest to the chemist occur via high energy transient intermediates. Understanding the nature and dynamic...
Chemistry
Physical chemistry
Ultrafast Spectroscopy
Photoredox Chemistry
Tesis doctoral
2026
Sun, Haotian
A*PO is a two-stage reinforcement learning algorithm that is used to fine-tune large language models (LLM) on specific tasks. Stage 1 estimates the KL-regularized optimal value function V* offline, and Stage~2 trains the policy online by regressing on optimal advantage targets. The log-mean-exp (LME) estimator of V* us...
reinforcement learning
value estimation
language model alignment
Bayesian shrinkage
Tesis doctoral
2026
Silverman, Julia
“Unmaking Tradition” analyzes three government- and museum-sponsored projects during the 1930s and 1940s that sought to “revitalize” customary Native American arts. Amidst the WPA’s unprecedented federal investments in the arts and the Indian Reorganization Act’s reversal of assimilationist Indian policy, the interwar...
Craft revitalization
Visual culture
American studies
Craft
Tesis doctoral
2026
Vega, Alexander Corey
The early Christian philosopher Augustine of Hippo offers a fascinating perspective on friendship by framing it in terms of the beliefs on which it depends. He argues in On Faith in Invisible Things, for example, that, in order to be someone’s friend, we must believe that they have goodwill toward us, love for us, and...
Ethics
Philosophy
Classical studies
humanities and the arts
Tesis doctoral
2026
Zou, Zhiyi
Mitochondrial quality control is traditionally viewed as a cell-autonomous process mediated by intracellular surveillance and mitophagy. Here, I show that fibroblasts can also export mitochondrial material that is selectively acquired by neighboring macrophages under steady-state conditions. Using in vitro co-culture s...
Macrophages
Immunology
Extracellular vesicles
Fibroblasts
Tesis doctoral
2026
Nelson, Andrew Thomas
Driven by the desire to understand, manipulate, and potentially correct the genetic code that underlies life, scientists have long sought tools capable of predictably editing DNA. The discovery of CRISPR-Cas-based technologies has ushered in an era of highly precise, programmable genome editing tools suitable for the c...
Base editing
Prime editing
Molecular biology
CRISPR
Tesis doctoral
2026
Kim, Eojin
Geophysical turbulence frequently self-organizes into coherent structures, ranging from roll-streak structures (RSS) in planetary boundary layers to the planetary scale banded winds of the gas giants. In astrophysical environments such as the solar convection zone and accretion disks, these velocity fields are frequent...
Physics
physical sciences
Fluid mechanics
Astrophysics
Tesis doctoral
2026
Pomerantz, Rachel
In this dissertation, I study classic labor economics questions with an eye towards the macroeconomic impact of the answers. In Chapter 1, I study the general equilibrium properties of the childcare industry and whether those properties could motivate designing an economic stimulus that is more effective than tradition...
Childcare
Economics
Public policy
economics and business
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