University of the Philippines Diliman (UP Diliman)

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UP Diliman

The research outputs, funded projects, and researcher profiles of the University of the Philippines Diliman, indexed under SURI and linked to the wider UP System record. Outputs are organized by academic unit, from proposal-stage grants through published, citable works.

RESEARCH OUTPUTS

Publications

Journal articles, theses, conference papers, and technical reports from UP Diliman academic units.

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PEOPLE

Researcher Profiles

Living CVs for UP Diliman faculty and researchers, linked to ORCID and verified research outputs.

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FUNDING

Grants & Projects

Funded research from proposal to publication, with funder, timeline, and project metadata.

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News

Welcome to the UP Diliman SURI Community. Browse publications, researcher profiles, and grants & projects.

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Now showing 1 - 10 of 10

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Artificial Intelligence and Data Privacy: Legal Challenges in the Philippine Digital Landscape
(University of the Philippines Open University, 2026-09-18)
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Connecting the Dots: A Collaborative Ethnography of Plastic Leakages in Indonesia and the Philippines
(Informa UK Limited, 2025-09-15)
Hardon, Anita
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Pakasi, Diana
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Hidayana, Irwan
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Taqueban, Efenita
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Moyer, Eileen
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Covert political campaigning: Mapping the scope, scale, and cost of cross-platform election influence operations
(SAGE Publications, 2025-01-12)
Gaw, Fatima
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Bunquin, Jon Benedik A
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Lanuza, Jose Mari H
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Cabbuag, Samuel I
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Sapalo, Noreen H
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The Native Militia in the Seventeenth-Century Spanish Philippines: A Space of Power for the Indigenous Elite
(Cambridge University Press (CUP), 2023-04)
Concepcion, Grace Liza
The history of the indigenous militia and its role in consolidating the native elite's place in the seventeenth-century colonial Philippines is an understudied topic. This paper addresses that gap. Using lists of media anata payments gathered from the Contaduría section of the Archivo General de Indias for the province of Laguna, this paper examines the beginnings of the native militia and the positions that the native elite occupied. Based on the corresponding media anata tax that these positions required, the author has listed the military ranks that native Filipinos assumed from 1633 to 1700. The Spanish government relied heavily on native arms to support Spain's expansionary agenda, especially in the late sixteenth and early seventeenth century. Moreover, foreign threats, the Spanish-Dutch wars, and the challenges posed by hostile indigenous groups in the Philippines left the Spaniards with no choice but to rely on native arms to defend their position. As the native militia developed and became a permanent feature of the seventeenth-century Philippines, it gave rise to a space for the indigenous elite to exercise their roles as soldiers, encomenderos, and conquistadores in territories which remained on the periphery of the Spanish empire in which they carved their niche.
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Atomic Adsorption Energies Prediction on Bimetallic Transition Metal Surfaces Using an Interpretable Machine Learning‐Accelerated Density Functional Theory Approach
(Wiley, 2025-01-29)
Tomacruz, Jan Goran T.
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Castro, Michael T.
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Remolona, Miguel Francisco M.
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Padama, Allan Abraham B.
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Ocon, Joey D.
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A Symbol of Anti-Marcos Resistance: The 1971 Diliman Commune in the Philippine's Global Sixties
(Zenodo, 2022)
Mongaya, Karlo Mikhail
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Putong, Orly Van Andre
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Paradeza, Alec Joshua
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Alcarde, Ryan Cezar
From February 1 to 9, 1971, students, faculty, staff, and residents at University of the Philippines (UP) Diliman took over the campus and defended what they called the“Diliman Commune” from brutal police incursions. This article ties together insights from key participants of the barricades with archival accounts and media reports to recover the lessons of the 1971 Diliman Commune from its dominant anti-communist framing as a radical destabilization plot to foment anarchy. Highlighting the voices of the barricades’ participants, this article reclaims the Diliman Commune as a symbol of resistance to the Marcos regime in a period of heightened anti-systemic contestation around the world described by social movement scholars as the Global Sixties.
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From a continuous to a discrete time crystal in a dissipative atom-cavity system
(arXiv, 2020)
Keßler, Hans
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Cosme, Jayson G.
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Georges, Christoph
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Mathey, Ludwig
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Hemmerich, Andreas
We propose the dynamical stabilization of a nonequilibrium order in a driven dissipative system comprised an atomic Bose-Einstein condensate inside a high finesse optical cavity, pumped with an optical standing wave operating in the regime of anomalous dispersion. When the amplitude of the pump field is modulated close to twice the characteristic limit-cycle frequency of the unmodulated system, a stable subharmonic response is found. The dynamical phase diagram shows that this subharmonic response occurs in a region expanded with respect to that where stable limit-cycle dynamics occurs for the unmodulated system. In turning on the modulation we tune the atom-cavity system from a continuous to a discrete time crystal.
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Relativistic horizon of interacting Weyl fermions in condensed matter systems
(arXiv, 2022)
Chiu, Wei-Chi
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Chang, Guoqing
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Macam, Gennevieve
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Belopolski, Ilya
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Huang, Shin-Ming
The intersections of topology, geometry and strong correlations offer many opportunities for exotic quantum phases to emerge in condensed matter systems. Weyl fermions, in particular, provide an ideal platform for exploring the dynamical instabilities of single-particle physics under interactions. Despite its fundamental role in relativistic field theory, the concept of causality and the associated spacetime light cone and event horizon has not been considered in connection with interacting Weyl fermionic excitations in quantum matter. Here, by using charge-density wave (CDW) as an example, we unveil the behavior of interacting Weyl fermions and show that a Weyl fermion in a system can open a band gap by interacting only with other Weyl fermions that lie within its energy-momentum dispersion cone. In this sense, causal connections or interactions are only possible within overlapping dispersion cones and each dispersion cone thus constitutes a solid-state analogue of the more conventional `event horizon' of high-energy physics. Our study provides a universal framework for considering interacting relativistic quasiparticles in condensed matter by separating them into energy-like and momentum-like relationships in analogy with the time-like and space-like events in high-energy physics. Finally, we consider two different candidate materials for hosting the Weyl CDW phase: (TaSe$_4$)$_2$I and Mo$_3$Al$_2$C. Our study greatly enriches the phenomenology and unveils new connections between condensed matter and high-energy physics.
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Puddle formation, persistent gaps, and non-mean-field breakdown of superconductivity in overdoped (Pb,Bi)2Sr2CuO6+δ
(arXiv, 2022)
Tromp, Willem O.
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Benschop, Tjerk
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Ge, Jian-Feng
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Battisti, Irene
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Bastiaans, Koen M.
The cuprate high-temperature superconductors exhibit many unexplained electronic phases, but it was often thought that the superconductivity at sufficiently high doping is governed by conventional mean-field Bardeen-Cooper-Schrieffer (BCS) theory[1]. However, recent measurements show that the number of paired electrons (the superfluid density) vanishes when the transition temperature Tc goes to zero[2], in contradiction to expectation from BCS theory. The origin of this anomalous vanishing is unknown. Our scanning tunneling spectroscopy measurements in the overdoped regime of the (Pb,Bi)2Sr2CuO6+δ high-temperature superconductor show that it is due to the emergence of puddled superconductivity, featuring nanoscale superconducting islands in a metallic matrix[3,4]. Our measurements further reveal that this puddling is driven by gap filling, while the gap itself persists beyond the breakdown of superconductivity. The important implication is that it is not a diminishing pairing interaction that causes the breakdown of superconductivity. Unexpectedly, the measured gap-to-filling correlation also reveals that pair-breaking by disorder does not play a dominant role and that the mechanism of superconductivity in overdoped cuprate superconductors is qualitatively different from conventional mean-field theory.
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Density textures: the crowd, everyday life, and urban poverty in Manila
(Informa UK Limited, 2024-09-28)
McFarlane, Colin
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Saguin, Kristian
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Cunanan, Kaloy

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