tag:blogger.com,1999:blog-176072372024-03-18T07:43:28.959-07:00Quantum Chaotic ThoughtsMy name is Mason Porter. I am a Professor in the Department of Mathematics at UCLA. Previously I was Professor of Nonlinear and Complex Systems in the Mathematical Institute at University of Oxford. I was also a Tutorial Fellow of Somerville College.Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.comBlogger5471125tag:blogger.com,1999:blog-17607237.post-3610049994889293772024-03-18T07:42:00.000-07:002024-03-18T07:42:32.903-07:00What Happens in New York City Stays in New York CityI'm heading off to New York City for the first time in many years. I'll be giving a talk at Rockafeller University.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-82817706207342977342024-02-27T09:41:00.000-08:002024-02-27T09:41:46.927-08:00"Complex Networks with Complex Weights" The published version of <a href = "https://www.math.ucla.edu/~mason/papers/cplx-weights-published-2024.pdf">one of my papers</a> came out today. Its title is one of my favorites among all of the papers that I've ever written. Here are some details about the paper.<br><br>
<b>Title:</b> Complex Networks with Complex Weights<br><br>
<b>Authors:</b> Lucas Böttcher and Mason A. Porter<br><br>
<b>Abstract:</b> In many studies, it is common to use binary (i.e., unweighted) edges to examine networks of entities that
are either adjacent or not adjacent. Researchers have generalized such binary networks to incorporate edge
weights, which allow one to encode node–node interactions with heterogeneous intensities or frequencies (e.g.,
in transportation networks, supply chains, and social networks). Most such studies have considered real-valued
weights, despite the fact that networks with complex weights arise in fields as diverse as quantum information,
quantum chemistry, electrodynamics, rheology, and machine learning. Many of the standard network-science
approaches in the study of classical systems rely on the real-valued nature of edge weights, so it is necessary
to generalize them if one seeks to use them to analyze networks with complex edge weights. In this paper, we
examine how standard network-analysis methods fail to capture structural features of networks with complex
edge weights. We then generalize several network measures to the complex domain and show that random-walk
centralities provide a useful approach to examine node importances in networks with complex weights.<br><br>
Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-33913120037989900052024-01-23T17:33:00.000-08:002024-01-29T21:07:18.951-08:00Adrián Beltré, Todd Helton, and Joe Mauer Elected to Baseball Hall of Fame!Adrián Beltré, Todd Helton, and Joe Mauer have been <a href = "https://bbwaa.com/24-hof/">elected to the Major Legaue Baseball Hall of Fame</a>! I knew that Mauer would make the Hall of Fame eventually, but he far surpassed my prediction for how he was going to do this year. I am pleasantly surprised to see him make the Hall on the first ballot, as I thought that he <a href = "http://masonporter.blogspot.com/2023/01/scott-rolen-elected-to-baseball-hall-of.html">would need to wait a year or two</a> to be elected. Adrián Beltré obviously sailed into the Hall on the first ballot.<br><br>
Billy Wagner, who was named on 73.8% of the ballots, missed election to the Hall by only 5 votes. He'll make it in 2025, which is his 10th and final year on the writers' ballot. Gary Sheffield was named on 63.9% of the ballots in his final year on the writers' ballot. His Hall case is now in the hands of the various small commitees, and I think (and hope) that he'll make it eventually. Andruw Jones had a small gain to 61.6% and Carlos Beltrán made a sizeable gain to 57.1%. Beltrán has an outside shot to be elected in 2025, but I think that 2026 is more likely. Andruw Jones could also ultimately make it through the writers' ballot, but I think that Beltrán will surpass Jones in the vote total in 2025. One way or another, they'll both eventually make the Hall of Fame. Chase Utley got 28.8% of the vote in his debut on the ballot. He did <i>much</i> better in the public ballots than in the private ones. I do think that Utley will eventually make it, but it's going to be a long road for the more sabermetrically-minded folks to convince others that Utley belongs in the Hall of Fame.<br><br>
In December, a small committee <a href = "http://masonporter.blogspot.com/2023/12/jim-leyland-elected-to-baseballs-hall.html">elected former manager Jim Leyland</a> to the Hall of Fame.<br><br>
As usual, I have been following the <a href = "https://onedrive.live.com/view.aspx?resid=F2E5D8FC5199DFAF!54244&authkey=!AGrU1OUsbz4WHyU">ballot tracker</a> very closely these past couple of months.<br><br>
A <a href = "https://www.espn.com/mlb/story/_/id/39370538/baseball-hall-fame-2024-voting-results-winner-losers-adrian-beltre-todd-helton-joe-mauer">discussion</a> of a few ESPN.com writers of this year's biggest winners and biggest losers, as well as an outlook on the 2025 ballot.<br><br>
Of the players who <a href = "https://www.baseball-reference.com/awards/hof_2025.shtml">can debut on the writers' ballot in 2025</a>, the only plausible Hall of Fame candidates are Ichiro Suzuki and C.C. Sabathia. Ichiro will sail into the Hall of Fame in his ballot debut (and hopefully he'll be elected unanimously, but I am not holding my breath). Sabathia will eventually make it, but I think that it's going to take a few years (say, 4 years).<br><br>
<b>Update (which I forgot to include in the original text of this post):</b> My prediction for the 2025 balloting is that Ichiro Suzuki and Billy Wagner will be the two players elected. I think that Carlos Beltrán will get around 70% of the vote next year and that Andruw Jones will be in the mid 60s (perhaps around 66%). I think that Chase Utley will probably end up at about 35%. Utley's candidacy appears to be the latest battle in the considerations of old-school versus new-school voters.<br><br>
<b>Update:</b> Jay Jaffe has written a <a href = "https://blogs.fangraphs.com/beltre-helton-and-mauer-make-it-a-trio-for-cooperstown/">rundown</a> of the results of this year's writers' ballot.<br><br>
<b>Update (1/24/24):</b> Here is Jay Jaffe's <a href = "https://blogs.fangraphs.com/a-candidate-by-candidate-look-at-the-2024-hall-of-fame-election-results/">candidate-by-candidate dissection</a> of this year's writers' ballot.<br><br>
<b>Update (1/29/24):</b> Here is Jay Jaffe's <a href = "https://blogs.fangraphs.com/heavy-hitters-ahead-the-next-five-years-of-bbwaa-hall-of-fame-elections/">five-year forecast</a> of Hall of Fame balloting.<br><br>
Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-32736920497966036302024-01-04T08:42:00.000-08:002024-01-04T08:42:25.853-08:00"Learning Low-Rank Latent Mesoscale Structures in Networks"One of my papers came out in <a href = "https://www.nature.com/articles/s41467-023-42859-2">final form</a> today. Here are some details.<br><br>
<b>Title:</b> Learning Low-Rank Latent Mesoscale Structures in Networks<br><br>
<b>Authors:</b> Hanbaek Lyu, Yacoub H. Kureh, Joshua Vendrow, and Mason A. Porter<br><br>
<b>Abstract:</b> Researchers in many fields use networks to represent interactions between entities in complex systems. To study the large-scale behavior of complex systems, it is useful to examine mesoscale structures in networks as building blocks that influence such behavior. In this paper, we present an approach to describe low-rank mesoscale structures in networks. We find that many real-world networks possess a small set of latent motifs that effectively approximate most subgraphs at a fixed mesoscale. Such low-rank mesoscale structures allow one to reconstruct networks by approximating subgraphs of a network using combinations of latent motifs. Employing subgraph sampling and nonnegative matrix factorization enables the discovery of these latent motifs. The ability to encode and reconstruct networks using a small set of latent motifs has many applications in network analysis, including network comparison, network denoising, and edge inference.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-53444022792193481372024-01-02T09:25:00.000-08:002024-01-02T09:25:34.148-08:00Want Happens in San Francisco Stays in San FranciscoI am off to San Francisco for the <a href = "https://www.jointmathematicsmeetings.org//jmm">2024 Joint Mathematics Meetings</a>.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-46646036260918227102023-12-21T20:51:00.000-08:002023-12-21T20:51:09.951-08:00Dodgers Sign Pitcher Yoshinobu Yamamoto!The Dodgers have <a href = "https://www.espn.com/mlb/story/_/id/39165813/japanese-star-yoshinobu-yamamoto-agrees-join-dodgers-sources-say">signed star pitcher Yoshinobu Yamamoto</a>, who is joining the Majors from Japan. Now we have our ace starting pitcher!<br><br>
This follows on our recent trade for pitcher Tyler Glasnow and our signing of free agent Shohei Ohtani.<br><br>
What the Dodgers do is Moneyball with money.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-60895127677498182312023-12-18T09:30:00.000-08:002023-12-18T09:30:20.172-08:00"Human-Network Regions as Effective Geographic Units for Disease Mitigation"Another of my papers just came out in <a href = "https://link.springer.com/article/10.1140/epjds/s13688-023-00426-1">final form</a>. Here are some details.<br><br>
<b>Title:</b> "Human-Network Regions as Effective Geographic Units for Disease Mitigation"<br><br>
<b>Authors:</b> Clio Andris, Caglar Koylu, and Mason A. Porter<br><br>
<b>Abstract:</b> Susceptibility to infectious diseases such as COVID-19 depends on how those diseases spread. Many studies have examined the decrease in COVID-19 spread due to reduction in travel. However, less is known about how much functional geographic regions, which capture natural movements and social interactions, limit the spread of COVID-19. To determine boundaries between functional regions, we apply community-detection algorithms to large networks of mobility and social-media connections to construct geographic regions that reflect natural human movement and relationships at the county level in the coterminous United States. We measure COVID-19 case counts, case rates, and case-rate variations across adjacent counties and examine how often COVID-19 crosses the boundaries of these functional regions. We find that regions that we construct using GPS-trace networks and especially commute networks have the lowest COVID-19 case rates along the boundaries, so these regions may reflect natural partitions in COVID-19 transmission. Conversely, regions that we construct from geolocated Facebook friendships and Twitter connections yield less effective partitions. Our analysis reveals that regions that are derived from movement flows are more appropriate geographic units than states for making policy decisions about opening areas for activity, assessing vulnerability of populations, and allocating resources. Our insights are also relevant for policy decisions and public messaging in future emergency situations.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-39826900295332908672023-12-16T18:51:00.000-08:002023-12-16T18:51:15.856-08:002023 Hank Aaron AwardsThe <a href = "https://www.espn.com/mlb/story/_/id/39128695/shohei-ohtani-ronald-acuna-jr-win-mlb-hank-aaron-awards">2023 Hank Aaron Awards</a> for the best offensive player in each league have been awarded to Shohei Ohtani (formerly of the Angels and now of the Dodgers) and Ronald Acuña, Jr. (of the Braves).<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-22899171805413562412023-12-12T09:34:00.000-08:002023-12-12T09:34:06.273-08:00"Low-Dimensional Behavior of a Kuramoto Model with Inertia and Hebbian Learning"A paper of mine just came out in <a href = "https://www.math.ucla.edu/~mason/papers/bank-published-Dec2023.pdf">final form</a>. Here are some details.<br><br>
<b>Title:</b> Low-Dimensional Behavior of a Kuramoto Model with Inertia and Hebbian Learning<br><br>
<b>Authors:</b> Tachin Ruangkriengsin and Mason A. Porter<br><br>
<b>Abstract:</b> We study low-dimensional dynamics in a Kuramoto model with inertia and Hebbian learning. In this model, the coupling strength between oscillators depends on the phase differences between the oscillators and changes according to a Hebbian learning rule. We analyze the special case of two coupled oscillators, which yields a five-dimensional dynamical system that decouples into a two-dimensional longitudinal system and a three-dimensional transverse system. We readily write an exact solution of the longitudinal system, and we then focus our attention on the transverse system. We classify the stability of the transverse system’s equilibrium points using linear stability analysis. We show that the transverse system is dissipative and that all of its trajectories are eventually confined to a bounded region. We compute Lyapunov exponents to infer the transverse system’s possible limiting behaviors, and we demarcate the parameter regions of three qualitatively different behaviors. Using insights from our analysis of the low-dimensional dynamics, we examine the original high-dimensional system in a situation in which we draw the intrinsic frequencies of the oscillators from Gaussian distributions with different variances.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-26522622811758339522023-12-09T12:18:00.000-08:002023-12-09T14:49:22.630-08:00Shohei Ohtani is Joining the Dodgers!This is straight from <a href = "https://twitter.com/JeffPassan/status/1733578636911935702">the horse's mouth</a> and is <a href = "https://twitter.com/jeffpassan/status/1733579104916492574">the largest contract</a> in North American sports history.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-32508913240998156902023-12-03T17:13:00.000-08:002023-12-03T17:44:13.520-08:00Jim Leyland Elected to Baseball's Hall of FameFormer manager Jim Leyland has been <a href = "https://www.mlb.com/news/hall-of-fame-contemporary-era-ballot-2023">elected to Major League Baseball's Hall of Fame</a> in a vote of the Contemporary Baseball Era Non-Players Committee.<br><br>
"Leyland received 15 of a possible 16 votes (93.8%), while Piniella received 11 (68.8%), White received 10 (62.5%) and Gaston, Johnson, Montague, Peters and West each received fewer than five votes." A candidate needed to receive 12 or more votes (i.e., from at least 75% of the committee) to be elected.<br><br>
Jay Jaffe wrote a <a href = "https://blogs.fangraphs.com/2024-contemporary-baseball-era-committee-candidate-bill-white/">particularly compelling case</a> in favor of Bill White.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-2361659357310765782023-11-30T19:39:00.000-08:002023-11-30T19:39:27.137-08:00Shohei Ohtani Voted Major League Baseball's 2023 Top Designated HitterWell, <a href = "https://www.espn.com/mlb/story/_/id/39015473/shohei-ohtani-voted-mlb-top-dh-3rd-straight-year">duh</a>.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-38030407851642181242023-11-29T16:28:00.000-08:002023-11-29T16:28:22.333-08:002023 Relievers of the YearFélix Bautista of the Baltimore Orioles and Devin Williams of the Milwaukee Brewers are this year's <a href = "https://www.espn.com/mlb/story/_/id/39008055/orioles-felix-bautista-brewers-devin-williams-win-mlb-reliever-year-awards">Relievers of the Year</a> in Baseball.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-64124028170971983772023-11-28T16:44:00.000-08:002023-11-28T16:44:59.514-08:002023 Comeback Players of the YearReliever Liam Hendricks of the Chicago White Sox and outfielder (and also infielder, when he was with the Dodgers) Cody Bellinger of the Chicago Cubs have been named Baseball's 2023 <a href = "https://www.espn.com/mlb/story/_/id/39000732/liam-hendriks-cody-bellinger-comeback-players-year">Comeback Players of the Year</a>.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-46809390248237069922023-11-28T16:05:00.000-08:002023-11-28T16:05:38.361-08:00"A Density Description of a Bounded-Confidence Model of Opinion Dynamics on Hypergraphs"Another of my papers has now been published in <a href = "https://www.math.ucla.edu/~mason/papers/hypergraph-weiqi2023.pdf">final form</a>. Here are some details.<br><br>
<b>Title:</b> A Density Description of a Bounded-Confidence Model of Opinion Dynamics on Hypergraphs<br><br>
<b>Authors:</b> Weiqi Chu and Mason A. Porter<br><br>
<b>Abstract:</b> Social interactions often occur between three or more agents simultaneously. Examining opinion dynamics on hypergraphs allows one to study the effect of such polyadic interactions on the opinions of agents. In this paper, we consider a bounded-confidence model (BCM), in which opinions take continuous values and interacting agents compromise their opinions if they are close enough to each other. We study a density description of a Deffuant–Weisbuch BCM on hypergraphs. We derive a rate equation for the mean-field opinion density as the number of agents becomes infinite, and we prove that this rate equation yields a probability density that converges to noninteracting opinion clusters. Using numerical simulations, we examine bifurcations of the density-based BCM's steady-state opinion clusters and demonstrate that the agent-based BCM converges to the density description of the BCM as the number of agents becomes infinite.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com1tag:blogger.com,1999:blog-17607237.post-11123371932679615072023-11-24T09:50:00.000-08:002023-11-24T09:50:47.461-08:00"Supracentrality Analysis of Temporal Networks with Directed Interlayer Coupling" (Second Edition)
The unnecessary <a href = "https://link.springer.com/book/10.1007/978-3-031-30399-9">second edition</a> of the book <i>Temporal Network Theory</i> is now out. It includes a second edition of <a href = "https://www.math.ucla.edu/~mason/papers/978-3-031-30399-9_17.pdf">a chapter</a> that I coauthored. Here are a few details.<br><br>
<b>Title:</b> Supracentrality Analysis of Temporal Networks with Directed Interlayer Coupling<br><br>
<b>Authors:</b> Dane Taylor, Mason A. Porter, and Peter J. Mucha<br><br>
<b>Abstract:</b> We describe centralities in temporal networks using a supracentrality framework to study centrality trajectories, which characterize how the importances of nodes change with time. We study supracentrality generalizations of eigenvector-based centralities, a family of centrality measures for time-independent networks that includes PageRank, hub and authority scores, and eigenvector centrality. We start with a sequence of adjacency matrices, each of which represents a time layer of a network at a different point or interval of time. Coupling centrality matrices across time layers with weighted interlayer edges yields a <i>supracentrality</i> matrix <b>C</b>(ω), where ω controls the extent to which centrality trajectories change with time. We can flexibly tune the weight and topology of the interlayer coupling to cater to different scientific applications. The entries of the dominant eigenvector of <b>C</b>(ω) represent <i>joint centralities</i>, which simultaneously quantify the importances of every node in every time layer. Inspired by probability theory, we also compute <i>marginal</i> and <i>conditional centralities</i>. We illustrate how to adjust the coupling between time layers to tune the extent to which nodes’ centrality trajectories are influenced by the oldest and newest time layers. We support our findings by analysis in the limits of small and large ω.<br><br>
Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-8657402433208602032023-11-16T18:21:00.000-08:002023-11-16T18:21:32.899-08:002023 Most Valuable Player AwardsMajor League Baseball has announced its <a href = "https://www.espn.com/mlb/story/_/id/38915599/angels-shohei-ohtani-wins-second-al-mvp-award-3-seasons">2023 Most Valuable Players</a>. To nobody's surprise, Shohei Ohtani of the Los Angeles Angels was the unanimous MVP in the Americal League. Also to nobody's surprise, Ronald Acuña, Jr. of the Atlanta Braves won the MVP award handily in the National League. Acuña, Jr. also won the MVP unanimously (which I hadn't expected), and this marks the first time that both MVPs were unanimous. Ohtani is the first baseball player ever to twice be name a unanimous MVP.<br><br>
The National League MVP voting was interesting. Mookie Betts of the Los Angeles Dodgers got all 30 second-place votes, and Freddie Freeman (Dodgers) and Matt Olson (Braves) split all of the third-place and fourth-place voters (with Freeman getting 17 of the former and 13 of the latter to obtain 4 more points than Olson). Rookie of the Year Corbin Carroll of the Arizona Diamondbacks finished fifth in the voting and garnered 20 of the 30 fifth-place votes.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-21890120033491269732023-11-15T17:22:00.000-08:002023-11-15T17:22:44.245-08:002023 Cy Young AwardsAs with Major League Baseball's awards earlier this week, the <a href = "https://www.espn.com/mlb/story/_/id/38907982/padres-blake-snell-wins-2023-nl-cy-young-award">2023 Cy Young Awards</a> were awarded to the expected pitchers. Blake Snell of the San Diego Padres won handily in the National League, and Gerrit Cole of the New York Yankees won unanimously in the American League.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-26973211242719554672023-11-14T16:18:00.000-08:002023-11-14T17:19:58.567-08:002023 Managers of the YearThe <a href = "https://www.espn.com/mlb/story/_/id/38898761/orioles-hyde-marlins-schumaker-honored-top-managers">Managers of the Year</a> have been announced. Skip Schumaker of the Miami Marlins won in the National League and Brandon Hyde of the Baltimore Orioles won in the American League.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-87938973892952542382023-11-13T17:50:00.000-08:002023-11-13T17:50:19.680-08:002023 Rookies of the YearBaseball's <a href = "https://www.espn.com/mlb/story/_/id/38892291/corbin-carroll-gunnar-henderson-win-nl-al-roy-unanimously">2023 Rookies of the Year</a> are Gunnar Henderson of the Baltimore Orioles and Corbin Carroll of the Arizona Diamondbacks.<br><br>
Both selections were unanimous, and it was clear that both selections would either be unanimous or very nearly so (and it was clear that Carroll would win unanimously).<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-50824610631838774302023-11-11T19:46:00.000-08:002023-11-11T19:46:42.617-08:00What Happens in San Juan Capistrano Stays in San Juan Capistrano (2023 Edition)I was just in San Capistrano for a bit more than a day to hang out with friends.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-71979696592111882262023-11-09T21:14:00.002-08:002023-11-09T21:14:26.749-08:002023 Silver Slugger AwardsThe <a href = "https://www.espn.com/mlb/story/_/id/38858752/rangers-haul-silver-slugger-awards-including-team-honor">2023 Silver Slugger awards</a> were announced today. This includes inaugural team awards for the Braves in the National League and the Rangers in the American League.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-60845042237632866642023-11-05T20:33:00.003-08:002023-11-05T20:33:52.435-08:002023 Gold Glove AwardsBaseball's <a href = "https://www.espn.com/mlb/story/_/id/38828779/toronto-matt-chapman-kevin-kiermaier-win-4th-gold-gloves">2023 Gold Glove Awards</a> were announced today.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com1tag:blogger.com,1999:blog-17607237.post-58190278645042411152023-11-01T06:21:00.001-07:002023-11-01T06:21:36.147-07:00What Happens in Pittsburgh Stays in PittsburghI am off to Pittsburgh for a few days!<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0tag:blogger.com,1999:blog-17607237.post-60755742844669626892023-10-26T19:28:00.005-07:002023-10-30T17:23:43.598-07:00RIP Gary Lorden (1941–2023)<a href = "https://www.mathgenealogy.org/id.php?id=11773">Gary Lorden</a>, a profesor emeritus of mathematics at Caltech, died last night. In addition to being a mathematics professor, Gary held many leadership positions at Caltech. He was the only statistician in Caltech's math department, and I TAed for him during my junior year in the inaugural edition of the so-called "new core", which included major changes in Math 1 and Math 2. I got my gig as a consultant for the movie "Meet Dave" through Gary. He was also a very kind person.<br><br>
<b>Update (10/30/23):</b> Caltech has posted a <a href = "https://www.caltech.edu/about/news/gary-a-lorden-bs-62-19412023">short obituary</a>.<br><br>Masonhttp://www.blogger.com/profile/04415369043595429843noreply@blogger.com0