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Dendritic Quantum Mechanics

October 3, 2021 @ 6:00 pm - 8:00 pm CEST

18,00€ – 120,00€


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Dendritic Quantum Mechanics

with Paul Tappenden

Sunday October 3, 2021

9:00 PDT | 12:00 EDT | 17:00 BST  |  18:00 CEST

2-hour session

If you are unable to attend the live session, the recording will be available.

The advent of quantum mechanics in the 1920s brought with it the idea that fundamental physical processes may be stochastic which is to say random but constrained by probabilistic law. Rather than the future being determined in advance, as envisaged by Newtonian mechanics, one actual future is stochastically selected from a range of alternativepossibilities. A way to restore determinism to physics is to replace the idea of a stochastic process with that of a dendritic process where all (possible) outcomes actually occur, each in a different (branch) of a burgeoning quantum multiverse. The idea has been much discussed but remains very controversial. Paul explains some of the conceptual difficulties involved and how the idea may be linked to a non-standard materialist conception of the mind-body relation.

If you are constantly ‘splitting’ into every future previously thought merely possible, in what sense is it you who lives through those futures? An analysis of trans-temporal identity is required. How can the concept of probability apply to multiple coexistent futures rather than the selection of a single actual future from a range of alternative possiblities? A thought experiment involving hypothetical parallel universes helps. If ‘splitting’ is intelligible, what would the implications be for our choices in life if it came to be generally accepted by physicists and philosophers of physics?

Paul Tappenden’s first degree was in philosophy and psychology but he has long taken an interest in physics and was particularly fascinated by the philosophical problems associated with quantum mechanics. His PhD from King’s College, London, was an attempt to relate an important current debate in philosophy of mind with ideas in the so-called Everett interpretation of quantum mechanics. Since then he has taught philosophy of science to physics students in Grenoble, France, and has pursued the ideas in his doctorate in a series of papers, the most recent being in the journal Synthese, 2019.


All sessions – Full Price €120, Member’s Discount €108: All 8 live sessions or recording if you miss a session.

4/8 sessions – Full Price €70, Member’s Discount €63: Choose any 4 live sessions or recording if you miss the event. After you have purchased this option, you will receive a form by email to choose the events you wish to attend.

One session – Full Price €18, Member’s Discount €16.20: By purchasing one session, you will have access to any one session and recording. Tickets for individual sessions are available on the event page for that session.

Solidarity All Sessions – €60: All 8 live sessions or recording if you miss a session. Please feel free to use this solidarity rate if you are under financial stress. The membership discount does not apply to this package.

Solidarity  4/8 Sessions – €35: Choose any 4 live sessions, or recording if you miss a session. After you have purchased this option, you will receive a form by email to choose the events you wish to attend. Please feel free to use this solidarity rate if you are under financial stress. The membership discount does not apply to this package.

General Information 

All sessions will last for approximately 2 hours, and will be held over zoom.us. The session structure may vary from speaker to speaker, but in general participants will have the opportunity to ask questions of the presenter and in some cases there will be breakaway discussion groups.

Each session will be hosted by a member of the Pari Center Team, to ensure that the call is running smoothly and assist anyone experiencing technical problems.

During the presentations, we ask participants to turn off their microphone to ensure better quality audio. For this reason, the host may mute a participant’s audio. This is not to silence a participant’s voice, but to ensure an overall good audio quality. If a participant would like to ask a question or make a contribution to the discussion, they can use the ‘raise your hand’ tool in the chat, and then are welcome to turn on their microphone.

We invite all participants to turn on their video camera, as we believe that seeing everyone creates an inclusive educational environment. However, if any participant is uncomfortable, they are free to turn off the camera.

All sessions will be recorded. The recordings will not include the possible breakout-room discussions, but only the speaker’s presentation, follow-up discussions and Q&A. If a participant does not feel comfortable being recorded, we invite that participant to turn off their video and audio throughout the session. These recordings are available to anyone who has purchased a ticket for an attended session, or for a session they have paid for but were unable to attend.

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October 3, 2021
6:00 pm - 8:00 pm CEST
18,00€ – 120,00€