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  • Date:13חמישידצמבר 2018

    Joint mini-symposium

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    שעה
    11:00 - 13:00
    כותרת
    Joel Richter will lecture on "Translational Control of Neurological Disease" Le Ma will lecture on "Molecular and Cellular Mechanisms of Axonal Branch Development"
    מיקום
    בניין ארתור ורושל בלפר למחקר ביורפואי
    Botnar Auditorium
    מרצה
    Prof. Joel Richter
    University of Massachusetts Medical School
    מארגן
    המחלקה לגנטיקה מולקולרית
    צרו קשר
    הרצאה
  • Date:13חמישידצמבר 2018

    From single-cell variability and correlations across lineages to the population growth

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    שעה
    11:15 - 12:30
    מיקום
    בניין הפיסיקה ע"ש עדנה וק.ב. וייסמן
    Auditorium
    מרצה
    Ariel Amir
    Harvard
    מארגן
    הפקולטה לפיסיקה
    צרו קשר
    פרטים נוספיםShow full text description of 11:00 – coffee, tea, and more...»
    11:00 – coffee, tea, and more
    תקצירShow full text abstract about Genetically identical microbial cells often display diverse ...»
    Genetically identical microbial cells often display diverse phenotypes. Stochasticity at the single-cell level contributes significantly to this phenotypic variability, and cells utilize a variety of mechanisms to regulate noise. In turn, these control mechanisms lead to correlations in various cellular traits across the lineage tree. I will present recent models we developed for understanding cellular homeostasis, with special focus on protein levels and cell size. These models allow us to characterize single-cell variability, including the emerging correlations and distributions. I will discuss the implications of stochasticity on the population growth. In contrast to the dogma, we find that variability may be detrimental to the population growth, suggesting that evolution would tend to suppress it.
    סימפוזיונים
  • Date:13חמישידצמבר 2018

    Computer Science Seminar

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    שעה
    11:30 - 12:30
    כותרת
    Fairness in Algorithmic Decision Making
    מיקום
    בניין וולפסון למחקר ביולוגי
    מרצה
    Sampath Kannan
    University of Pennsylvania
    מארגן
    הפקולטה למתמטיקה ומדעי המחשב
    Computer Science Seminar
    צרו קשר
    פרטים נוספיםShow full text description of In this talk we survey some formulations of fairness require...»
    In this talk we survey some formulations of fairness requirements for decision making under uncertainty. We then discuss results from 3 recent papers:


    Treating individuals fairly is not in conflict with long-term scientific learning goals if the population is sufficiently diverse.
    When there is a pipeline of decisions, end-to-end fairness is impossible to achieve even in a very simple model.
    Exploiting the knowledge acquired by others can unfairly advantage the free rider.


    These papers are joint work with a number of co-authors:

    Christopher Jung, Neil Lutz, Jamie Morgenstern, Aaron Roth, Bo Waggoner, Steven Wu, and Juba Ziani
    הרצאה
  • Date:13חמישידצמבר 2018

    Geometric Functional Analysis and Probability Seminar

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    שעה
    13:30 - 15:30
    כותרת
    Exponential decay of quotients of Ruelle operators
    מיקום
    בניין יעקב זיסקינד
    Room 155
    מרצה
    Manuel Stadlbauer
    UFRJ, Rio de Janeiro
    מארגן
    הפקולטה למתמטיקה ומדעי המחשב
    Faculty of Mathematical Sciences Seminar, המחלקה למדעי המחשב ומתמטיקה שימושית
    Faculty of Mathematical Sciences Seminar, המחלקה למתמטיקה
    Faculty of Mathematical Sciences Seminar
    צרו קשר
    פרטים נוספיםShow full text description of Ruelle's operator theorem states that the Ruelle operat...»
    Ruelle's operator theorem states that the Ruelle operator $L$, which is a positive operator acting on Holder functions, is conjugated to $P R$ where $R$ is a one-dimensional projection and the norm of $R$ is smaller than 1. This decomposition, also known as spectral gap, is of interest as it allows to characterise the underlying dynamical system through, e.g., central limit theorems or continuous response to perturbations. However, the conjugation depends on the existence of a positive eigenfunction of $L$, which might not exist in more general, fibred situations due to purely functorial reasons. A possibility to circumvent this problem is to consider quotients of operators of the form $f mapsto frac{L^m(f L^n (1))}{L^{m n}(1)}.$ In fact, it is possible to provide reasonable conditions such that their dual operators contract the Wasserstein distance exponentially in $m$. The result gives rise, for example, to a law of the iterated logarithm for continued fractions with sequentially restricted entries or a topology on the set of equilibrium states for semigroups of expanding maps. This is joint work with Paulo Varandas and Xuan Zhang.
    הרצאה
  • Date:16ראשוןדצמבר 2018

    Solution Processed Thin Films, Quantum Dots and Solar Cells: A Symposium in Honor of Prof. Gary Hodes

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    שעה
    08:00 - 16:00
    מיקום
    מרכז כנסים על-שם דויד לופאטי
    Kimmel Auditorium
    יושב ראש
    Igor Lubomirsky
    מארגן
    המחלקה לחומרים ופני שטח , מרכז הלן ומרטין קימל לחקר מדעי הננו , מכון לכנסים על-שם דימיטריס קוראפס
    צרו קשר
    כנסים
  • Date:16ראשוןדצמבר 2018

    Sela Symposium 2018

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    שעה
    09:00 - 12:00
    כותרת
    B cell and Antibody biology – from basics to therapy
    מיקום
    בניין לביוכימיה על שם נלה וליאון בנוזיו
    Auditorium
    מרצה
    Prof. Michel Nussenzweig and Prof. Jeffrey V. Ravetch
    מארגן
    המחלקה לאימונולוגיה
    צרו קשר
    הרצאה
  • Date:16ראשוןדצמבר 2018

    Weizmann – Princeton – CNRS – HIT Plasma Workshop

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    שעה
    09:45 - 17:00
    מיקום
    Weissman Aquarium
    מרצה
    TBA
    TBA
    מארגן
    המחלקה לפיסיקה של חלקיקים ואסטרופיסיקה
    Plasma Seminar
    צרו קשר
    פרטים נוספיםShow full text description of 09:45 - 10:15 Morning coffee. 10:15 – 12:45 Discussions on...»
    09:45 - 10:15 Morning coffee.
    10:15 – 12:45 Discussions on previous communications
    12:45 - 14:30 Lunch break
    14:30 - 15:45 Discussions on previous communications
    15:45 - 16:00 Afternoon coffee break.
    16:00 - 17:15 Discussions on previous communications
    הרצאה
  • Date:16ראשוןדצמבר 2018

    Assembly of Supported Lipid Bilayers and the Effect of Nano-Patterns

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    שעה
    11:00 - 12:00
    מיקום
    בניין פרלמן למדעי הכימיה
    Room 404
    מרצה
    Dr. Yair Kaufman
    Zuckerberg Institute for Water Research, Ben-Gurion University of the Negev
    מארגן
    המחלקה לחומרים ופני שטח
    Soft Matter and Biomaterials
    צרו קשר
    תקצירShow full text abstract about The complexity that drives the diverse functionalities of bi...»
    The complexity that drives the diverse functionalities of biological membranes have been inspiring countless studies for several decades. A bottom-up approach to shed light on the functionalities of the biological membrane is to study simplified biomimetic models, such as a lipid bilayer that consists of limited number of different lipids with or without membrane proteins.
    My group is studying the self-assembly mechanism of lipid bilayers with and without membrane proteins on atomically smooth or nano-patterned electrodes. During the seminar, I will discuss two case studies: (1) The effects of nano-patterns on the liquid-solid adhesion energy, which is manifested as “contact angles”. Then, I will discuss (2) the self-assembly mechanism and the thermodynamic stability of lipid bilayers on atomically smooth or patterned surfaces. Both case studies have implications on diverse applications, such as bio-sensors, cosmetics, ink industry, oil-recovery and more.

    הרצאה
  • Date:16ראשוןדצמבר 2018

    Molecular Genetics Departmental Seminars 2018-2019

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    שעה
    13:00
    כותרת
    A repressor-decay timer for robust temporal patterning of Drosophila neurogenesis
    מיקום
    בניין ארתור ורושל בלפר למחקר ביורפואי
    Botnar Auditorium
    מרצה
    Inna Averbukh
    מארגן
    המחלקה לגנטיקה מולקולרית
    DDP Seminar
    צרו קשר
    הרצאה
  • Date:16ראשוןדצמבר 2018

    Economic Implications of Irrigation-Water Salinity

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    שעה
    13:00 - 14:00
    כותרת
    SAERI - Sustainability and Energy Research Initiative
    מיקום
    Benoziyo Building for Biological Sciences, room 690C
    מרצה
    Dr. Iddo Kan
    Department of Environmental Economics and Management and The Center for Agricultural Economics Research, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem
    מארגן
    מדרשת פיינברג
    Alternative Sustainable Energy Research Initiative (AERI)
    צרו קשר
    פרטים נוספיםShow full text description of Host: Prof. Ron Milo Light refreshments will be served at 1...»
    Host: Prof. Ron Milo
    Light refreshments will be served at 12:40
    Location: Benoziyo Building for Biological Sciences, room 690C
    תקצירShow full text abstract about 1 ...»
    1
    הרצאה
  • Date:16ראשוןדצמבר 2018

    Data-driven study of complex systems: from nonlinear PDEs to crumpled papers

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    שעה
    13:00
    מיקום
    בניין הפיסיקה ע"ש עדנה וק.ב. וייסמן
    Drory Auditorium
    מרצה
    Harvard University
    מארגן
    מרכז לפיסיקה ביולוגית עש קלור
    צרו קשר
    תקצירShow full text abstract about Data-driven methods, and Machine-Learning in particular, bec...»
    Data-driven methods, and Machine-Learning in particular, became very popular in many diverse fields due to their unprecedented ability to identify recurring features, causal relations and complex correlation structures. For the same reasons, the application of these methods to the physical sciences has also attracted much attention, though the field is still very much in its infancy. In this talk I will discuss two applications of Machine-Learning to the study of complex systems: First, I will show how data-driven discretization of nonlinear PDEs can produce accurate low-resolution models, effectively providing a coarse-grained equation which accounts for sub-gridscale physics. Second, I will discuss crumpling of thin sheets and how Machine-Learning can be insightful in studying the emergent patterns, by augmenting the dataset with in-silico calculations of a related system - rigid origami. This also suggests a general strategy of applying data-driven methods to experimental systems where data is scarce or expensive.
    הרצאה
  • Date:16ראשוןדצמבר 2018

    Remodelling of the vasculature in cardiovascular disease

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    שעה
    13:00 - 14:00
    מיקום
    בניין ע"ש מקס ולילאן קנדיוטי
    Auditorium
    מרצה
    Prof. Andrew Baker
    מארגן
    המחלקה לבקרה ביולוגית
    צרו קשר
    הרצאה
  • Date:17שנידצמבר 2018

    Life Science Colloquium

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    כותרת
    TBD
    מיקום
    אולם ע"ש דולפי ולולה אבנר
    מרצה
    Prof. Andrew J. Pollard
    Dept. of Paediatrics, University of Oxford, UK
    מארגן
    מדעי החיים
    צרו קשר
    סימפוזיונים
  • Date:17שנידצמבר 201818שלישידצמבר 2018

    Genealogy and the Sciences

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    שעה
    08:00 - 08:00
    מיקום
    מרכז כנסים על-שם דויד לופאטי
    Kimmel Auditorium
    יושב ראש
    Daniel Hanoch Wagner
    דף בית
    צרו קשר
    כנסים
  • Date:17שנידצמבר 2018

    Weizmann – Princeton – CNRS – HIT Plasma Workshop

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    שעה
    09:00 - 17:45
    מיקום
    בניין הפיסיקה ע"ש עדנה וק.ב. וייסמן
    Amos de-Shalit Room
    מרצה
    Dimitry Mikichuk
    magnetic field structure in a converging magnetized-plasma
    מארגן
    המחלקה לפיסיקה של חלקיקים ואסטרופיסיקה
    Plasma Seminar
    צרו קשר
    פרטים נוספיםShow full text description of 9:00 – 10:00 Tour of the laboratories – meeting at room 143 ...»
    9:00 – 10:00 Tour of the laboratories – meeting at room 143
    10:00 - 10:20 Morning coffee.
    10:20- 11:30 Dimitry Mikichuk (WIS) – “Electrode effects on the axial magnetic field structure in a converging magnetized-plasma” + Discussion 11:30 - 12:45 Jean-Marcel Rax (CNRS)– “Rotation and angular momentum absorptiondissipation in plasmas” + Discussion
    12:45 - 14:30 Lunch break
    14:30 - 15:00 Free Discussions
    15:00 – 16:15 Ian Ochs (Princeton) – “Impurity and ash transport in fusion and low-density compressing plasmas” + Discussion
    16:15 - 16:30 Afternoon coffee break.
    16:30 - 17:45 Marko Cvejic (WIS) – “Characterization of low density plasma in a magnetized plasma experiment” + Discussion
    הרצאה
  • Date:17שנידצמבר 2018

    Halide Exchange in Single Crystal Halide Perovskites

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    שעה
    14:00 - 15:00
    מיקום
    בניין פרלמן למדעי הכימיה
    Room 404
    מרצה
    Aya Osherov
    מארגן
    המחלקה לחומרים ופני שטח
    צרו קשר
    תקצירShow full text abstract about Halide Perovskites (HaPs) have remarkable electronic and opt...»
    Halide Perovskites (HaPs) have remarkable electronic and optical characteristics, but much is still unknown regarding the connection between their physical and chemical properties. Cation or anion substitution can change the optical absorption edge, with or without change of structure. In this work I explored the halide exchange reaction in methylammonium lead tri-halides single crystals (SCs) in order to understand the process of exchange and the stability of the product(s). I demonstrate halide exchange in mm-sized SCs, achieved by diffusion. Using the Boltzmann-Matano method and diffusion profiles obtained by electron dispersive spectroscopy it is possible to evaluate the halide diffusion coefficients, which are not constant and depend on the mixture of halides. For all permutations, the change in composition as result of the diffusion, strongly affects the optical and electrical properties and especially the band gap of the semiconducting crystals, as seen in cathodoluminescence measurements in the scanning electron microscope. While these gradients cause a lattice parameter change and may cause a symmetry change, X-ray diffraction measurements show that if the interchanged halide pair is such that their sizes are relatively similar (e.g., and , and but not and ) the resulting material remains surprisingly single crystalline. These findings are valid, no matter which one of the two halides is being exchanged. These results suggest that for these similar-sized halide pairs, this exchange occurs through a solid-state chemical reaction such that the resulting crystal orientation is determined by that of the initial crystal.
    הרצאה
  • Date:18שלישידצמבר 2018

    Weizmann – Princeton – CNRS – HIT Plasma Workshop

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    שעה
    09:45 - 17:15
    מיקום
    בניין הפיסיקה ע"ש עדנה וק.ב. וייסמן
    מרצה
    Seth Davidovits
    Preventing or exploiting turbulence during plasma compression
    מארגן
    המחלקה לפיסיקה של חלקיקים ואסטרופיסיקה
    Plasma Seminar
    צרו קשר
    פרטים נוספיםShow full text description of 09:45 - 10:15 Morning coffee. 10:15 - 11:30 Seth Davidovit...»
    09:45 - 10:15 Morning coffee.
    10:15 - 11:30 Seth Davidovits (Princeton)– “Preventing or exploiting turbulence during plasma compression” + Discussion
    11:30 - 12:45 Elijah Kolmes (Princeton) – “Differential ion transport in magnetized, compressing plasmas” +Discussion
    16:00 - 17:15 Tal Queller (WIS) – “Analysis of spectral line shapes for a novel investigation of a Z-pinch stagnating plasma” + Discussion - Sub micron
    הרצאה
  • Date:18שלישידצמבר 2018

    Global outbreaks: Interferons as 1st responders

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    שעה
    10:00 - 11:00
    מיקום
    בניין לביוכימיה על שם נלה וליאון בנוזיו
    Auditorium
    מרצה
    Prof. Eleanor N. Fish
    Dept. Immunology, University of Toronto, Canada
    מארגן
    המחלקה למדעים ביומולקולריים
    צרו קשר
    תקצירShow full text abstract about Emerging and re-emerging virus infections pose a threat to g...»
    Emerging and re-emerging virus infections pose a threat to global health. Viruses mutate to inevitably evade the effects of pathogen-specific antivirals, and the time required to develop a vaccine specific for an outbreak virus leaves populations unprotected for months. Our strategy is to focus on broad spectrum antivirals for diverse acute virus infections: interferons (IFNs)-. IFNs- exert both direct antiviral effects in infected cells and modulate host immune responses to clear virus. Data will be presented providing evidence for the antiviral effects of IFNs-against influenza A viruses H5N1 and pandemic H1N1, the SARS coronavirus and ebola virus, in vitro and in clinical studies during outbreaks. The mechanisms whereby IFNs-exert their antiviral effects and override the inhibitory effects of viruses will be described.
    הרצאה
  • Date:18שלישידצמבר 2018

    Algebraic Geometry and Representation Theory Seminar

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    שעה
    11:15 - 12:15
    כותרת
    On algebraically closed skew fields (i.e. Makar-Limanov's bodies).
    מיקום
    בניין יעקב זיסקינד
    Room 155
    מרצה
    Lenny Makar-Limanov
    University of Michigan
    מארגן
    הפקולטה למתמטיקה ומדעי המחשב
    Faculty of Mathematical Sciences Seminar, המחלקה למדעי המחשב ומתמטיקה שימושית
    Faculty of Mathematical Sciences Seminar, המחלקה למתמטיקה
    Faculty of Mathematical Sciences Seminar
    צרו קשר
    פרטים נוספיםShow full text description of We all know what is an algebraically closed field and that a...»
    We all know what is an algebraically closed field and that any field can be embedded into an algebraically closed field. But what happens if multiplication is not commutative? In my talk I'll suggest a definition of an algebraically closed skew field, give an example of such a skew field, and show that not every skew field can be embedded into an algebraically closed one.
    It is still unknown whether an algebraically closed skew field exists in the finite characteristic case!
    הרצאה
  • Date:18שלישידצמבר 2018

    The Urban wildlife initiative involving urban development in nature conservation

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    שעה
    11:30
    מיקום
    בניין לביוכימיה על שם נלה וליאון בנוזיו
    Auditorium
    מרצה
    Amir Balaban
    Head of the Urban wildlife initiative, Society for the protection of nature in Israel
    מארגן
    המחלקה למדעי הצמח והסביבה
    צרו קשר
    פרטים נוספיםShow full text description of Host: Dr. Einat Segev...»
    Host: Dr. Einat Segev
    הרצאה

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